{"title":"TPU Filament 1.75mm","description":"\u003cstyle\u003e\n  \/* ── Siraya Tech Design Tokens ── *\/\n  .rte {\n    --st-black:      #1a1a1a;\n    --st-blue:       #297fce;\n    --st-blue-dk:    #1e63a6;\n    --st-white:      #ffffff;\n    --st-primary:    #cb1a36;\n    --st-primary-dk: #a01228;\n    --st-gray-light: #f4f4f4;\n    --st-gray-mid:   #e0e0e0;\n    --st-gray-text:  #555555;\n    --st-border:     #d8d8d8;\n    --st-radius:     6px;\n    --st-font:       'Helvetica Neue', Arial, sans-serif;\n    font-family: var(--st-font);\n    color: var(--st-black);\n    line-height: 1.7;\n    max-width: 900px;\n    margin: 0 auto;\n  }\n\n  \/* ── Intro paragraph ── *\/\n  .rte .st-intro {\n    font-size: 1.08rem;\n    color: var(--st-gray-text);\n    margin-bottom: 2rem;\n    border-left: 4px solid var(--st-primary);\n    padding-left: 1rem;\n  }\n\n  \/* ── Section headings ── *\/\n  .rte h2 {\n    font-size: 1.3rem;\n    font-weight: 700;\n    color: var(--st-black);\n    border-bottom: 2px solid var(--st-primary);\n    padding-bottom: 0.35rem;\n    margin-top: 2.5rem;\n    margin-bottom: 1rem;\n    letter-spacing: 0.01em;\n  }\n\n  \/* ── Bullet lists ── *\/\n  .rte ul {\n    margin: 0.75rem 0 1.25rem 0;\n    padding-left: 1.4rem;\n  }\n  .rte ul li {\n    margin-bottom: 0.45rem;\n    line-height: 1.65;\n  }\n  .rte ul li strong {\n    color: var(--st-black);\n  }\n\n  \/* ── Product card grid ── *\/\n  .rte .st-product-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));\n    gap: 1rem;\n    margin: 1.25rem 0 2rem;\n  }\n  .rte .st-product-card {\n    background: var(--st-gray-light);\n    border: 1px solid var(--st-border);\n    border-radius: var(--st-radius);\n    padding: 1.1rem 1.2rem;\n  }\n  .rte .st-product-card .st-card-title {\n    font-weight: 700;\n    font-size: 0.95rem;\n    color: var(--st-black);\n    margin-bottom: 0.4rem;\n  }\n  .rte .st-product-card .st-badge {\n    display: inline-block;\n    background: var(--st-primary);\n    color: var(--st-white);\n    font-size: 0.72rem;\n    font-weight: 700;\n    border-radius: 4px;\n    padding: 2px 7px;\n    margin-bottom: 0.5rem;\n    letter-spacing: 0.04em;\n    text-transform: uppercase;\n  }\n  .rte .st-product-card p {\n    font-size: 0.87rem;\n    color: var(--st-gray-text);\n    margin: 0.35rem 0 0.7rem;\n    line-height: 1.55;\n  }\n  .rte .st-product-card a.st-btn {\n    display: inline-block;\n    background: var(--st-primary);\n    color: var(--st-white);\n    font-size: 0.82rem;\n    font-weight: 700;\n    padding: 6px 14px;\n    border-radius: var(--st-radius);\n    text-decoration: none;\n    transition: background 0.2s;\n  }\n  .rte .st-product-card a.st-btn:hover {\n    background: var(--st-primary-dk);\n  }\n\n  \/* ── Spec table ── *\/\n  .rte .st-spec-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.9rem;\n    margin: 1rem 0 1.5rem;\n  }\n  .rte .st-spec-table th {\n    background: var(--st-blue);\n    color: var(--st-white);\n    text-align: left;\n    padding: 0.6rem 0.8rem;\n    font-weight: 700;\n    font-size: 0.85rem;\n  }\n  .rte .st-spec-table td {\n    padding: 0.55rem 0.8rem;\n    border-bottom: 1px solid var(--st-border);\n    vertical-align: top;\n  }\n  .rte .st-spec-table tr:nth-child(even) td {\n    background: var(--st-gray-light);\n  }\n\n  \/* ── Printer compatibility table ── *\/\n  .rte .st-compat-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.88rem;\n    margin: 1rem 0 1.5rem;\n  }\n  .rte .st-compat-table th {\n    background: var(--st-primary);\n    color: var(--st-white);\n    padding: 0.55rem 0.75rem;\n    font-weight: 700;\n    text-align: center;\n    font-size: 0.83rem;\n  }\n  .rte .st-compat-table td {\n    padding: 0.5rem 0.75rem;\n    border: 1px solid var(--st-border);\n    text-align: center;\n    vertical-align: middle;\n  }\n  .rte .st-compat-table td:first-child {\n    text-align: left;\n    font-weight: 600;\n  }\n  .rte .st-compat-table tr:nth-child(even) td {\n    background: var(--st-gray-light);\n  }\n  .rte .st-yes  { color: #2a8a2a; font-weight: 700; }\n  .rte .st-no   { color: #cc2222; font-weight: 700; }\n  .rte .st-cond { color: #b87800; font-weight: 700; }\n\n  \/* ── Callout box ── *\/\n  .rte .st-callout {\n    background: var(--st-gray-light);\n    border-left: 4px solid var(--st-primary);\n    border-radius: var(--st-radius);\n    padding: 1rem 1.2rem;\n    margin: 1.25rem 0;\n  }\n  .rte .st-callout p {\n    margin: 0;\n    font-size: 0.93rem;\n    color: var(--st-black);\n  }\n\n  \/* ── FAQ accordion ── *\/\n  .rte .st-faq { margin: 1rem 0; }\n  .rte .st-faq details {\n    border: 1px solid var(--st-border);\n    border-radius: var(--st-radius);\n    margin-bottom: 0.6rem;\n    background: var(--st-white);\n    overflow: hidden;\n  }\n  .rte .st-faq details[open] {\n    border-color: var(--st-primary);\n  }\n  .rte .st-faq summary {\n    padding: 0.8rem 1.1rem;\n    font-weight: 700;\n    font-size: 0.93rem;\n    cursor: pointer;\n    list-style: none;\n    display: flex;\n    justify-content: space-between;\n    align-items: center;\n    background: var(--st-gray-light);\n    color: var(--st-black);\n  }\n  .rte .st-faq summary::-webkit-details-marker { display: none; }\n  .rte .st-faq summary::after {\n    content: '+';\n    font-size: 1.2rem;\n    color: var(--st-primary);\n    font-weight: 900;\n    flex-shrink: 0;\n    margin-left: 0.5rem;\n  }\n  .rte .st-faq details[open] summary::after { content: '–'; }\n  .rte .st-faq .st-faq-body {\n    padding: 0.85rem 1.1rem;\n    font-size: 0.9rem;\n    line-height: 1.65;\n    color: var(--st-gray-text);\n    border-top: 1px solid var(--st-border);\n  }\n  .rte .st-faq .st-faq-body ul {\n    margin: 0.5rem 0 0 0;\n    padding-left: 1.3rem;\n  }\n\n  \/* ── Related links ── *\/\n  .rte .st-related-links {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 0.6rem;\n    margin: 1rem 0 2rem;\n  }\n  .rte .st-related-links a {\n    background: var(--st-gray-light);\n    border: 1px solid var(--st-border);\n    border-radius: var(--st-radius);\n    color: var(--st-black);\n    font-size: 0.87rem;\n    font-weight: 600;\n    padding: 0.4rem 0.9rem;\n    text-decoration: none;\n    transition: border-color 0.2s, color 0.2s;\n  }\n  .rte .st-related-links a:hover {\n    border-color: var(--st-primary);\n    color: var(--st-primary);\n  }\n\n  \/* ── Section divider ── *\/\n  .rte .st-divider {\n    border: none;\n    border-top: 1px solid var(--st-gray-mid);\n    margin: 2rem 0;\n  }\n\n  @media (max-width: 600px) {\n    .rte h2 { font-size: 1.1rem; }\n    .rte .st-spec-table, .rte .st-compat-table { font-size: 0.8rem; }\n    .rte .st-product-grid { grid-template-columns: 1fr; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"rte\"\u003e\n\u003c!-- INTRO --\u003e\n\u003cp class=\"st-intro\"\u003eTPU filament 1.75mm is the standard flexible material for FDM 3D printing. It prints rubber-like parts that bend, compress, and snap back without cracking. Siraya Tech's Flex Family covers every hardness from ultra-soft 65A foaming materials to semi-rigid 64D, so you can match the exact feel and function your project demands.\u003c\/p\u003e\n\u003c!-- SECTION 1: What Is TPU Filament? --\u003e\n\u003ch2\u003eWhat Is TPU Filament?\u003c\/h2\u003e\n\u003cp\u003eThermoplastic Polyurethane (TPU) is a class of elastic polymer that behaves like rubber at room temperature but melts and flows like a thermoplastic when heated. In 1.75mm FDM printing, TPU filament is the go-to choice whenever a part needs to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAbsorb repeated impact without fracturing\u003c\/li\u003e\n\u003cli\u003eFlex or compress and return to its original shape\u003c\/li\u003e\n\u003cli\u003eGrip a surface without slipping\u003c\/li\u003e\n\u003cli\u003eWithstand abrasion, oil, UV, or outdoor exposure\u003c\/li\u003e\n\u003cli\u003eFeel soft and comfortable against skin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnlike PLA or ABS, TPU has an elongation at break typically ranging from 400% to 700%, meaning a part can stretch to several times its original length before tearing. Hardness is measured on the Shore A scale: lower numbers are softer and more rubber-like, higher numbers are stiffer and more plastic-like.\u003c\/p\u003e\n\u003c!-- SECTION 2: Shore Hardness Guide --\u003e\n\u003ch2\u003eShore Hardness Guide: 65A to 64D Explained\u003c\/h2\u003e\n\u003cp\u003eThe Shore A number printed on every spool determines three things: how the finished part feels, whether your printer can push it reliably, and how fast you can print it. Use the table below to find the right hardness for your printer and project.\u003c\/p\u003e\n\u003ctable class=\"st-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eShore Hardness\u003c\/th\u003e\n\u003cth\u003eFeel (Real-World Reference)\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003cth\u003eExtruder Requirement\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e65A to 82A (TPU Air)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquishy foam \/ memory foam insole\u003c\/td\u003e\n\u003ctd\u003eCushioning, lightweight footwear midsoles, shock pads\u003c\/td\u003e\n\u003ctd\u003eDirect drive only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e85A (Flex)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSoft shoe insole \/ pencil eraser\u003c\/td\u003e\n\u003ctd\u003eWatch bands, grips, gaskets, wearables\u003c\/td\u003e\n\u003ctd\u003eDirect drive strongly recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e95A (Flex)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShopping cart wheel \/ hard rubber heel\u003c\/td\u003e\n\u003ctd\u003ePhone cases, drone guards, cable strain reliefs, living hinges\u003c\/td\u003e\n\u003ctd\u003eDirect drive or Bowden (careful tuning)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e64D (Flex)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDense hard rubber \/ nylon feel\u003c\/td\u003e\n\u003ctd\u003eFunctional brackets, semi-rigid hinges, wear-resistant parts\u003c\/td\u003e\n\u003ctd\u003eWorks like standard rigid filament\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTPU-GF (Glass Fiber)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStiff flexible with high rigidity\u003c\/td\u003e\n\u003ctd\u003eStructural flexible parts that need dimensional stability\u003c\/td\u003e\n\u003ctd\u003eHardened nozzle recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"st-callout\"\u003e\n\u003cp\u003e\u003cstrong\u003eQuick rule:\u003c\/strong\u003e Start with 95A if you are new to flexible filaments. It feeds through most printers with minimal tuning. Move to 85A or lower only once you are comfortable with TPU printing, and ideally with a direct drive extruder installed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 3: TPU vs PEBA --\u003e\u003c!-- SECTION 4: Printer Compatibility --\u003e\n\u003ch2\u003ePrinter Compatibility: Direct Drive vs Bowden vs AMS\u003c\/h2\u003e\n\u003cp\u003eFlexible filament behavior during printing is heavily influenced by how far the filament has to travel from the extruder motor to the nozzle. The softer the material, the more it resists being pushed through a long path.\u003c\/p\u003e\n\u003ctable class=\"st-compat-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSetup Type\u003c\/th\u003e\n\u003cth\u003eTPU 95A\u003c\/th\u003e\n\u003cth\u003eTPU 85A\u003c\/th\u003e\n\u003cth\u003eTPU Air 65A to 82A\u003c\/th\u003e\n\u003cth\u003eTPU 64D\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Drive (Bambu, Prusa MK4, Voron)\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-yes\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-yes\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-yes\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-yes\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBowden (Ender 3, CR-10)\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-cond\"\u003eCareful tuning\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-no\"\u003eNot recommended\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-no\"\u003eNot recommended\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-yes\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAMS \/ Multi-filament Hub\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-no\"\u003eNot recommended\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-no\"\u003eNot recommended\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-no\"\u003eNot recommended\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-cond\"\u003eCheck hub specs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3D Pen\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-yes\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-yes\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-no\"\u003eNot recommended\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"st-yes\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor Bowden setups printing 95A, lower retraction to 1 to 2 mm and reduce print speed to 20 to 30 mm\/s. Disabling retraction entirely and printing with minimum 0% infill or vase mode can help prevent buckling in the tube.\u003c\/p\u003e\n\u003c!-- SECTION 5: Spec Comparison --\u003e\n\u003ch2\u003ePrint Settings: Recommended Parameters by Grade\u003c\/h2\u003e\n\u003cp\u003eAll Siraya Tech TPU filaments are pre-dried and vacuum-sealed in moisture-barrier aluminum bags before shipping. The settings below are starting points. Fine-tune nozzle temperature in 5°C increments if you observe stringing (reduce) or under-extrusion (increase).\u003c\/p\u003e\n\u003ctable class=\"st-spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eNozzle Temp\u003c\/th\u003e\n\u003cth\u003eBed Temp\u003c\/th\u003e\n\u003cth\u003ePrint Speed\u003c\/th\u003e\n\u003cth\u003eDiameter Tolerance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/siraya.tech\/products\/siraya-tech-flex-tpu-95a-filament\"\u003eFlex TPU 95A\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e210 to 230°C\u003c\/td\u003e\n\u003ctd\u003e40 to 60°C\u003c\/td\u003e\n\u003ctd\u003e20 to 50 mm\/s\u003c\/td\u003e\n\u003ctd\u003e±0.05 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/siraya.tech\/products\/flex-tpu-85a-filament\"\u003eFlex TPU 85A\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e210 to 230°C\u003c\/td\u003e\n\u003ctd\u003e40 to 60°C\u003c\/td\u003e\n\u003ctd\u003e15 to 30 mm\/s\u003c\/td\u003e\n\u003ctd\u003e±0.05 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/siraya.tech\/products\/flex-tpu-64d-filament\"\u003eFlex TPU 64D\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e220 to 240°C\u003c\/td\u003e\n\u003ctd\u003e40 to 60°C\u003c\/td\u003e\n\u003ctd\u003e30 to 60 mm\/s\u003c\/td\u003e\n\u003ctd\u003e±0.05 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/siraya.tech\/products\/flex-tpu-air-65a-82a-foaming-flexible-filament\"\u003eTPU Air 65A to 82A\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e210 to 235°C\u003c\/td\u003e\n\u003ctd\u003e30 to 55°C\u003c\/td\u003e\n\u003ctd\u003e20 to 40 mm\/s\u003c\/td\u003e\n\u003ctd\u003e±0.05 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/siraya.tech\/products\/fibreheart-tpu-gf-15-glass-fiber-filament\"\u003eTPU-GF 15%\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e220 to 240°C\u003c\/td\u003e\n\u003ctd\u003e40 to 60°C\u003c\/td\u003e\n\u003ctd\u003e20 to 40 mm\/s\u003c\/td\u003e\n\u003ctd\u003e±0.05 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"st-callout\"\u003e\n\u003cp\u003e\u003cstrong\u003eMoisture matters.\u003c\/strong\u003e TPU absorbs humidity quickly once opened. If you notice bubbling, popping sounds, or rough surface finish, dry your spool at 55°C for 6 to 8 hours before printing. Store open spools in a sealed container with desiccant at under 20% relative humidity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 6: Buyer's Guide --\u003e\n\u003ch2\u003eBuyer's Guide: Which TPU Grade Is Right for Your Project?\u003c\/h2\u003e\n\u003cp\u003eUse this guide to quickly match your application to the right Siraya Tech product.\u003c\/p\u003e\n\u003cdiv class=\"st-product-grid\"\u003e\n\u003cdiv class=\"st-product-card\"\u003e\n\u003cdiv class=\"st-badge\"\u003eMost Popular\u003c\/div\u003e\n\u003cdiv class=\"st-card-title\"\u003eFlex TPU 95A\u003c\/div\u003e\n\u003cp\u003eThe all-around workhorse. Works on nearly every FDM printer. Excellent for phone cases, cable strain reliefs, drone bumpers, gaskets, and living hinges that flex thousands of times.\u003c\/p\u003e\n\u003ca href=\"https:\/\/siraya.tech\/products\/siraya-tech-flex-tpu-95a-filament\" class=\"st-btn\"\u003eShop 95A\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"st-product-card\"\u003e\n\u003cdiv class=\"st-badge\"\u003eSoftest Standard\u003c\/div\u003e\n\u003cdiv class=\"st-card-title\"\u003eFlex TPU 85A\u003c\/div\u003e\n\u003cp\u003eTrue rubber feel. Best for watch bands, shoe insoles, ergonomic grips, and wearable parts that need skin-friendly softness and grip. Requires direct drive.\u003c\/p\u003e\n\u003ca href=\"https:\/\/siraya.tech\/products\/flex-tpu-85a-filament\" class=\"st-btn\"\u003eShop 85A\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"st-product-card\"\u003e\n\u003cdiv class=\"st-badge\"\u003eSemi-Rigid\u003c\/div\u003e\n\u003cdiv class=\"st-card-title\"\u003eFlex TPU 64D\u003c\/div\u003e\n\u003cp\u003eBridges the gap between rigid and flexible. Ideal for wear-resistant mechanical parts, structural brackets with some give, and high-impact protection covers.\u003c\/p\u003e\n\u003ca href=\"https:\/\/siraya.tech\/products\/flex-tpu-64d-filament\" class=\"st-btn\"\u003eShop 64D\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"st-product-card\"\u003e\n\u003cdiv class=\"st-badge\"\u003eLightweight Foam\u003c\/div\u003e\n\u003cdiv class=\"st-card-title\"\u003eTPU Air 65A to 82A\u003c\/div\u003e\n\u003cp\u003eFoaming TPU that is up to 30% lighter than solid grades. Perfect for cushioning layers, padding, lightweight insoles, and parts that need controlled compression.\u003c\/p\u003e\n\u003ca href=\"https:\/\/siraya.tech\/products\/flex-tpu-air-65a-82a-foaming-flexible-filament\" class=\"st-btn\"\u003eShop TPU Air\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"st-product-card\"\u003e\n\u003cdiv class=\"st-badge\"\u003eReinforced\u003c\/div\u003e\n\u003cdiv class=\"st-card-title\"\u003eTPU-GF 15%\u003c\/div\u003e\n\u003cp\u003eGlass-fiber reinforced TPU for flexible parts that also need dimensional stability under load. Reduced elongation compared to standard TPU with improved stiffness.\u003c\/p\u003e\n\u003ca href=\"https:\/\/siraya.tech\/products\/fibreheart-tpu-gf-15-glass-fiber-filament\" class=\"st-btn\"\u003eShop TPU-GF\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"st-product-card\"\u003e\n\u003cdiv class=\"st-badge\"\u003eFootwear Grade\u003c\/div\u003e\n\u003cdiv class=\"st-card-title\"\u003eRoamr TPU Air HR\u003c\/div\u003e\n\u003cp\u003eHigh-rebound foaming TPU developed specifically for 3D-printed footwear. Available in 80A and 85A. Engineered for midsole energy return in athletic shoes.\u003c\/p\u003e\n\u003ca href=\"https:\/\/siraya.tech\/products\/roamr-tpu-air-hr-80a-filament\" class=\"st-btn\"\u003eShop Roamr\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 7: Common Use Cases --\u003e\n\u003ch2\u003eWhat Can You Print with TPU Filament 1.75mm?\u003c\/h2\u003e\n\u003cp\u003eTPU's rubber-like behavior makes it the default material for any part that needs flexibility, grip, or impact protection. Common applications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhone and tablet cases:\u003c\/strong\u003e Drop protection with a soft-touch finish. 95A gives structural rigidity; 85A gives a grippier feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrone motor guards and bumpers:\u003c\/strong\u003e Absorb crash impact without shattering, protecting frames and components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable strain reliefs and cord organizers:\u003c\/strong\u003e Prevents cable fatigue at bending points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom gaskets and seals:\u003c\/strong\u003e Oil-resistant and weather-resistant with good compression set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatch bands and wearables:\u003c\/strong\u003e Skin-safe, flexible, and sweat-resistant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShoe insoles and orthotic inserts:\u003c\/strong\u003e Custom-fit cushioning with 85A or foamed TPU Air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration-dampening mounts:\u003c\/strong\u003e Isolates vibration in camera rigs, RC vehicles, and industrial equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible joints and living hinges:\u003c\/strong\u003e Functional hinges that can be bent hundreds of thousands of times without fatigue failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC car tires and tracks:\u003c\/strong\u003e Abrasion-resistant and grippy on varied surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical and prosthetics prototyping:\u003c\/strong\u003e Soft, biocompatible-friendly interfaces for prosthetic liners and orthotic components (confirm biocompatibility for your specific application).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- SECTION 8: Siraya Tech Brand Story --\u003e\n\u003ch2\u003eWhy Siraya Tech for TPU Filament?\u003c\/h2\u003e\n\u003cp\u003eSiraya Tech started as a UV resin specialist, engineering materials used in professional dental, jewelry, and engineering applications. When the company entered the FDM filament market, the same formulation discipline carried over into every spool. What that means for TPU buyers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum-sealed aluminum packaging:\u003c\/strong\u003e Every spool ships moisture-protected. Wet TPU causes bubbles and surface defects. Siraya Tech's packaging standard ensures the filament is dry from day one.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTight diameter tolerance (±0.05 mm):\u003c\/strong\u003e Consistent diameter means consistent extrusion. No unexpected under-extrusion mid-print from a spool with varying diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive hardness range:\u003c\/strong\u003e From ultra-soft 65A foaming grades to glass-fiber reinforced TPU-GF, Siraya Tech covers the full spectrum. You do not need to switch suppliers as your projects grow more demanding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated print profiles:\u003c\/strong\u003e Free slicer profiles for Bambu Studio, PrusaSlicer, Cura, and Orca Slicer are available on the \u003ca href=\"https:\/\/siraya.tech\/pages\/print-settings-download\"\u003ePrint Settings Download page\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical documentation:\u003c\/strong\u003e Safety Data Sheets (SDS) and Technical Data Sheets (TDS) are publicly available for every product. Useful for compliance, medical, or food-contact evaluation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect support:\u003c\/strong\u003e Reach the team by phone at +1 (323) 412-8788 or email at \u003ca href=\"\/cdn-cgi\/l\/email-protection#added8ddddc2dfd9eddec4dfccd4cc83d9c8cec5\"\u003e\u003cspan class=\"__cf_email__\" data-cfemail=\"e794929797889593a7948e95869e86c99382848f\"\u003e[email protected]\u003c\/span\u003e\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"st-divider\"\u003e\n\u003c!-- SECTION 9: Related Collections --\u003e\n\u003ch2\u003eExplore Related Collections\u003c\/h2\u003e\n\u003cdiv class=\"st-related-links\"\u003e\n\u003ca href=\"https:\/\/siraya.tech\/collections\/flex-tpu-filament-for-3d-printing\"\u003eFlex TPU Filament Family\u003c\/a\u003e \u003ca href=\"https:\/\/siraya.tech\/collections\/filament\"\u003eAll Filament\u003c\/a\u003e \u003ca href=\"https:\/\/siraya.tech\/pages\/roamr\"\u003eRoamr Footwear TPU\u003c\/a\u003e \u003ca href=\"https:\/\/siraya.tech\/collections\/flexible-resin-tenacious-family\"\u003eTenacious Flexible Resin\u003c\/a\u003e \u003ca href=\"https:\/\/siraya.tech\/collections\/engineering-resin\"\u003eEngineering Resins\u003c\/a\u003e \u003ca href=\"https:\/\/siraya.tech\/collections\/accessories-for-3dprinter-and-resin-fdm-prints\"\u003eAccessories\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 10: Related Articles --\u003e\n\u003ch2\u003eRelated Articles\u003c\/h2\u003e\n\u003cdiv class=\"st-related-links\"\u003e\n\u003ca href=\"https:\/\/siraya.tech\/blogs\/news\/tpu-shore-hardness\"\u003eTPU Shore Hardness: Choosing 85A vs 95A\u003c\/a\u003e \u003ca href=\"https:\/\/siraya.tech\/blogs\/news\/best-tpu-filament\"\u003eBest TPU Filament: 2026 Buyer's Guide\u003c\/a\u003e \u003ca href=\"https:\/\/siraya.tech\/blogs\/news\/95a-vs-98a-tpu-filament\"\u003e95A vs 98A TPU Filament Compared\u003c\/a\u003e \u003ca href=\"https:\/\/siraya.tech\/pages\/print-settings-download\"\u003ePrint Setting Profiles Download\u003c\/a\u003e \u003ca href=\"https:\/\/siraya.tech\/pages\/support\"\u003eUser Guide and Support\u003c\/a\u003e\n\u003c\/div\u003e\n\u003chr class=\"st-divider\"\u003e\n\u003c!-- SECTION 11: FAQ --\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"st-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is TPU filament used for in 3D printing?\u003c\/summary\u003e\n\u003cdiv class=\"st-faq-body\"\u003eTPU filament is used to print rubber-like parts that need to flex, compress, or absorb impact. Common prints include:\n\u003cul\u003e\n\u003cli\u003ePhone cases and protective covers\u003c\/li\u003e\n\u003cli\u003eShoe insoles and orthotic inserts\u003c\/li\u003e\n\u003cli\u003eDrone guards and bumpers\u003c\/li\u003e\n\u003cli\u003eCable strain reliefs\u003c\/li\u003e\n\u003cli\u003eCustom gaskets and seals\u003c\/li\u003e\n\u003cli\u003eWatch bands and wearable accessories\u003c\/li\u003e\n\u003cli\u003eVibration-dampening mounts\u003c\/li\u003e\n\u003c\/ul\u003e\nAny application requiring a part that bends, grips, or bounces back without breaking is a strong candidate for TPU.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does 95A or 85A mean on a TPU filament spool?\u003c\/summary\u003e\n\u003cdiv class=\"st-faq-body\"\u003eThe number refers to Shore A hardness, an industry-standard measurement of how resistant a flexible material is to being pressed in. Lower Shore A values are softer and more rubber-like:\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e65A to 82A:\u003c\/strong\u003e Very soft, foam-like, like a memory foam insole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e85A:\u003c\/strong\u003e Soft rubber, like a shoe insole or pencil eraser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e95A:\u003c\/strong\u003e Medium rubber, like a shopping cart wheel or dense eraser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e64D (Shore D scale):\u003c\/strong\u003e Semi-rigid, prints and feels closer to a hard nylon\u003c\/li\u003e\n\u003c\/ul\u003e\nFor most FDM printers and most use cases, 95A is the easiest starting point.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I print TPU on a Bowden extruder like the Ender 3?\u003c\/summary\u003e\n\u003cdiv class=\"st-faq-body\"\u003e95A TPU can be printed on a Bowden setup with careful settings. Key adjustments:\n\u003cul\u003e\n\u003cli\u003eReduce print speed to 20 to 30 mm\/s\u003c\/li\u003e\n\u003cli\u003eLower retraction to 1 to 2 mm or disable it entirely\u003c\/li\u003e\n\u003cli\u003eEnsure there are no gaps in the Bowden tube connection at the hotend\u003c\/li\u003e\n\u003cli\u003eUse direct flow with no AMS or filament hub\u003c\/li\u003e\n\u003c\/ul\u003e\nFor 85A or softer, a direct drive extruder is strongly recommended. Soft TPU buckles in long Bowden tubes and causes jams.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes TPU filament need to be dried before printing?\u003c\/summary\u003e\n\u003cdiv class=\"st-faq-body\"\u003eYes. TPU absorbs moisture from the air and printing wet TPU causes bubbling, popping sounds, rough surface texture, and weak layer adhesion. Siraya Tech ships all filaments vacuum-sealed with desiccant to minimize moisture uptake during shipping and storage. If you notice any of the above symptoms, dry the spool at 55°C for 6 to 8 hours before printing. Once opened, store TPU in a sealed container with desiccant at under 20% relative humidity.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat print temperature should I use for TPU filament 1.75mm?\u003c\/summary\u003e\n\u003cdiv class=\"st-faq-body\"\u003eThe recommended starting point for most Siraya Tech TPU grades is 210 to 230°C nozzle temperature with a 40 to 60°C bed temperature. Fine-tune in 5°C increments:\n\u003cul\u003e\n\u003cli\u003eIf you see stringing or oozing, lower the nozzle temperature by 5°C\u003c\/li\u003e\n\u003cli\u003eIf you see under-extrusion or rough surface texture, raise it by 5°C\u003c\/li\u003e\n\u003c\/ul\u003e\nMost users find their optimal temperature in the 215 to 225°C range. Check the \u003ca href=\"https:\/\/siraya.tech\/pages\/print-settings-download\"\u003ePrint Settings Download page\u003c\/a\u003e for product-specific slicer profiles.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs TPU filament compatible with Bambu Lab printers?\u003c\/summary\u003e\n\u003cdiv class=\"st-faq-body\"\u003eYes. Bambu Lab printers with direct drive extruders (X1C, P1S, P1P, A1) handle TPU 95A and 85A well using the Generic TPU default profile in Bambu Studio as a starting point. Do not use the AMS (Automatic Material System) with TPU: the long tube path causes jamming with flexible filament. Feed TPU directly from an external spool holder into the extruder. Siraya Tech also provides Bambu Studio print profiles on the \u003ca href=\"https:\/\/siraya.tech\/pages\/print-settings-download\"\u003ePrint Settings Download page\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between TPU and PEBA filament?\u003c\/summary\u003e\n\u003cdiv class=\"st-faq-body\"\u003eBoth are flexible 3D printing materials, but they have different performance profiles:\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTPU (Thermoplastic Polyurethane):\u003c\/strong\u003e More affordable, widely compatible, excellent abrasion resistance, good general-purpose flexibility. Best for most everyday flexible prints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePEBA (Polyether Block Amide):\u003c\/strong\u003e Higher energy return (better rebound), lighter weight, stays flexible at lower temperatures. Best for athletic footwear midsoles, cold-weather gear, and applications where spring-back performance matters.\u003c\/li\u003e\n\u003c\/ul\u003e\nIf you are printing shoe midsoles or performance athletic applications, consider Siraya Tech's \u003ca href=\"https:\/\/siraya.tech\/products\/siraya-tech-rebound-peba-air-70a-95a-foamed-elastic-filament\"\u003ePEBA Air 70A to 95A\u003c\/a\u003e. For most other applications, start with TPU.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eWhere can I download slicer profiles for Siraya Tech TPU filaments?\u003c\/summary\u003e\n\u003cdiv class=\"st-faq-body\"\u003eFree slicer profiles for Bambu Studio, PrusaSlicer, Orca Slicer, and Cura are available on the \u003ca href=\"https:\/\/siraya.tech\/pages\/print-settings-download\"\u003ePrint Settings Download page\u003c\/a\u003e. If you need a Technical Data Sheet (TDS) or Safety Data Sheet (SDS) for a specific grade, visit the \u003ca href=\"https:\/\/siraya.tech\/pages\/tds\"\u003eTDS page\u003c\/a\u003e and\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"flex-tpu-85a-filament","title":"Siraya Tech Flex TPU - 85A フィラメント","description":"\u003ch3 data-mce-fragment=\"1\"\u003eFlex 85A TPUの特徴\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e強化された柔軟性:\u003c\/strong\u003e一般的な 95A TPU フィラメントと比較して、Flex 85A は優れた柔軟性を備えているため、ウェアラブル デバイスやフレキシブル パーツに最適です。\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e優れた耐衝撃性:\u003c\/strong\u003eこのフィラメントは優れた耐衝撃性を誇り、高い耐久性と強靭性が求められる印刷プロジェクトに適しています。\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e印刷のしやすさ:\u003c\/strong\u003e Flex 85A は、より簡単に押し出され、よりよく接着するように特別に配合されており、さまざまなプリンター モデルと互換性のあるスムーズな印刷プロセスを保証します。\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003e5 倍の高速印刷性能:\u003c\/strong\u003e高品質の印刷結果を維持しながら、同等の TPU フィラメントよりも最大 5 倍高速に印刷できます。\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eFlex 85A TPUの用途\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eウェアラブルデバイス:\u003c\/strong\u003eスマートウォッチのストラップ、フィットネストラッカーバンドなど。\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eフレキシブル コネクタ:\u003c\/strong\u003eホース、振動減衰パッドなど。\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eプロトタイピング:\u003c\/strong\u003e高速印刷機能により、デザインのプロトタイピングと迅速な反復に最適です。\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e医療機器アクセサリ:\u003c\/strong\u003e快適性と耐久性の両方を備えた素材を必要とするカスタム手首ブレース、サポートなど。\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e日用品:\u003c\/strong\u003e携帯電話ケース、衝撃吸収パッド、保護カバーなど。 \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003ciframe title=\"初心者向け3DプリントTPU！（Siraya Tech Flex 85A）\" src=\"https:\/\/www.youtube.com\/embed\/Nur3sUntIoY\" height=\"720\" width=\"1280\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Siraya Tech","offers":[{"title":"私たち \/ 1kg \/ 黒","offer_id":40944210444397,"sku":"ST3001","price":31.99,"currency_code":"USD","in_stock":true},{"title":"私たち \/ 1kg \/ 白","offer_id":40944210477165,"sku":"ST3002","price":30.39,"currency_code":"USD","in_stock":true},{"title":"私たち \/ 1kg \/ クリア","offer_id":41478850904173,"sku":"ST3008","price":30.39,"currency_code":"USD","in_stock":true},{"title":"私たち \/ 1kg \/ Green","offer_id":43868358115437,"sku":"ST3034","price":31.99,"currency_code":"USD","in_stock":true},{"title":"欧州連合 \/ 1kg \/ 黒","offer_id":41511490748525,"sku":"ST3001EU","price":33.58,"currency_code":"USD","in_stock":true},{"title":"欧州連合 \/ 1kg \/ 白","offer_id":41511490781293,"sku":"ST3002EU","price":32.2,"currency_code":"USD","in_stock":true},{"title":"オーストラリア \/ 1kg \/ 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