{"product_id":"polymaker-polyflex-tpu90-1-75mm-clear-0-75kg-flexible-tpu-filament","title":"Polymaker PolyFlex TPU90 1.75mm Clear 0.75kg - Flexible TPU Filament","description":"\u003cp\u003eIn this review of the PolyFlex TPU90 1.75mm clear filament, the bottom line is simple: this is a reliable flexible TPU for makers who need a balance of print speed, toughness, and outdoor resistance. The reviewer found it especially useful for wearable prototypes, gaskets, and flexible parts because it prints without special hardware and offers consistent layer adhesion when settings are tuned properly. For anyone wanting a soft but durable filament that is UV resistant and well packaged to avoid moisture, PolyFlex TPU90 is worth testing.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShore 90A Flexibility:\u003c\/strong\u003e Provides a rubbery, durable feel that keeps parts flexible while retaining shape memory for repeated use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to Print:\u003c\/strong\u003e Designed to run on most desktop FDM\/FFF printers with nozzle temps around 210 C to 230 C and a sensible printing speed range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV Resistant:\u003c\/strong\u003e Suitable for outdoor applications where exposure to sunlight could otherwise degrade TPU properties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTangle and Moisture-Free Packaging:\u003c\/strong\u003e Dried, vacuum-sealed spool with a desiccant and a resealable bag reduces filament moisture and tangles on storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Layer Adhesion:\u003c\/strong\u003e The filament yields consistent, bubble-free and warp-free layers when correct print settings are used.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Works for gaskets, shoe parts, phone cases, keyrings and small mechanical components where flexibility and durability matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filament is aimed at hobbyists, prototypers and small-scale manufacturers who need a mid-hardness TPU that balances flexibility with toughness. It is especially useful for wearable items, seals, and bike or drone components where impact resistance and some stretch are required.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include people requiring ultra-soft elastomers below shore 90A or specialist materials that need higher chemical resistance or industrial-grade certifications; also users who cannot tune print settings or accept slower flow rates for flexible filaments may prefer a different material.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood combination of flexibility and toughness suitable for functional parts and wearables.\u003c\/li\u003e\n\u003cli\u003eUV resistance makes it a practical choice for outdoor applications and exposed parts.\u003c\/li\u003e\n\u003cli\u003eCareful winding, drying and vacuum packaging helps reduce tangles and moisture-related print failures.\u003c\/li\u003e\n\u003cli\u003eCompatible with most desktop FDM\/FFF printers without hardware changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report mixed results with self-adhesion and perceived stiffness, so fine tuning retraction and temperature may be required.\u003c\/li\u003e\n\u003cli\u003ePrinting flexible filaments still demands slower speeds and attention to feed path to avoid jams compared with rigid filaments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePOLYMAKER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eThermoplastic polyurethane (TPU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e1.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.75kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShore Hardness\u003c\/td\u003e\n\u003ctd\u003e90A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrinting Temperature\u003c\/td\u003e\n\u003ctd\u003e210 C - 230 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Bed Temp\u003c\/td\u003e\n\u003ctd\u003e25 C - 60 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003ePolyFlex TPU90 is a reliable, well-packaged flexible filament that delivers strong layer adhesion and UV resistance, making it a solid choice for hobbyists and small producers building wearables, gaskets, or exposed parts. It represents good value for users willing to tune print settings to get the best balance of flexibility and durability.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this filament work on a standard desktop FDM printer?\u003c\/strong\u003e\u003cbr\u003eYes. PolyFlex TPU90 is formulated to run on nearly all desktop FDM\/FFF printers without hardware modifications, though a calm filament path and reduced print speed help.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I store the spool to avoid moisture?\u003c\/strong\u003e\u003cbr\u003eThe spool arrives vacuum-sealed with a desiccant; keep it in the resealable bag with the desiccant when not in use to maintain dryness.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperature and speed settings are recommended?\u003c\/strong\u003e\u003cbr\u003eUse a nozzle temperature between 210 C and 230 C, bed temperature 25 C to 60 C, and printing speeds in the 30mm\/s to 60mm\/s range with the fan on for best results.\u003c\/p\u003e","brand":"POLYMAKER","offers":[{"title":"Default Title","offer_id":48613287428315,"sku":"B09KZLBKW2","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81hZgtkxTnL._AC_SL1500.jpg?v=1778360971","url":"https:\/\/gearmusthave.com\/products\/polymaker-polyflex-tpu90-1-75mm-clear-0-75kg-flexible-tpu-filament","provider":"GearMustHave","version":"1.0","type":"link"}