{"product_id":"sunlu-3kg-large-spool-tpu-filament-1-75mm-fast-flexible-prints","title":"SUNLU 3KG Large Spool TPU Filament 1.75mm - Fast Flexible Prints","description":"\u003cp\u003eOur review of the SUNLU 3KG TPU filament finds it best suited to makers who need long, flexible prints without frequent spool changes; the single biggest reason to buy is the large 3kg capacity combined with a high-speed TPU formulation that promises faster print times while retaining useful elasticity. The spool is vacuum sealed for moisture protection out of the box and the filament's claimed dimensional accuracy and Shore 95A balance make it a practical choice for wearable parts, gaskets, and functional prototypes where resilience and abrasion resistance matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh speed TPU:\u003c\/strong\u003e Prints up to three times faster than ordinary TPU, which reduces job time for larger flexible pieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3kg spool capacity:\u003c\/strong\u003e A big roll decreases spool swaps and is convenient for extended projects and small-batch production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShore 95A hardness:\u003c\/strong\u003e Provides a balance of softness and resilience so printed parts withstand collisions, impacts, and wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent layer adhesion:\u003c\/strong\u003e Strong interlayer bonding produces smooth surfaces and reliable mechanical performance in flexible prints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensional accuracy:\u003c\/strong\u003e 1.75mm diameter with +\/-0.03mm tolerance improves feed consistency and compatibility with most FDM printers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum packaging:\u003c\/strong\u003e Airtight sealed packaging helps keep the filament dry and ready to print without additional drying for short-term storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filament is ideal for hobbyists and small-scale makers who print flexible components like watch bands, phone cases, drone bumpers, and bike parts, and for those using direct-drive setups that benefit from TPU elasticity. It also fits workshops that prefer fewer spool changes during long runs.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users needing extremely soft elastomers below 95A or filaments tuned for specialty chemical resistance; also consider smaller spools if space or weight is a concern, and users who require water-dry storage for long-term filament archiving should pair this with a filament dryer.\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\u003eLarge 3kg spool offers long print times and better value for repeated flexible prints.\u003c\/li\u003e\n\u003cli\u003eGood printability and strong layer adhesion yield clean surfaces and dependable mechanical parts.\u003c\/li\u003e\n\u003cli\u003eHigh speed capability shortens print time for TPU projects without sacrificing resilience.\u003c\/li\u003e\n\u003cli\u003eVacuum packaging and tight diameter tolerance improve out-of-box reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShore 95A may be too firm for projects that require very soft elastomeric feel.\u003c\/li\u003e\n\u003cli\u003eSome users report mixed results with adhesion on certain machines, so tuning may be required for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\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\u003eSpool weight\u003c\/td\u003e\n\u003ctd\u003e3KG (6.6lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShore hardness\u003c\/td\u003e\n\u003ctd\u003e95A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended nozzle temp\u003c\/td\u003e\n\u003ctd\u003e210-230C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended bed temp\u003c\/td\u003e\n\u003ctd\u003e50-60C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrinting speed\u003c\/td\u003e\n\u003ctd\u003e80-120mm\/s (faster printing supported)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SUNLU 3KG TPU filament is a solid value for makers who need a durable, fast-printing flexible filament with minimal spool changes; its combination of large capacity, vacuum packaging, and tight diameter tolerance makes it a practical choice for wearable and functional parts. It is particularly good for users with direct-drive or well-tuned extruders, while those needing softer elastomers or long-term moisture control should plan additional testing or drying.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this filament compatible with most FDM printers?\u003c\/strong\u003e\u003cbr\u003eYes, the 1.75mm diameter and +\/-0.03mm tolerance make it compatible with the majority of 1.75mm FDM printers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to dry the filament before printing?\u003c\/strong\u003e\u003cbr\u003eIt arrives vacuum sealed to stay moisture-free, but if it has been stored long-term outside the packaging use a filament dryer for best results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat print settings work best?\u003c\/strong\u003e\u003cbr\u003eStart with 210-230C nozzle, 50-60C bed, and 80-120mm\/s print speed and adjust retraction and flow for your specific extruder.\u003c\/p\u003e","brand":"SUNLU","offers":[{"title":"Default Title","offer_id":48602088898779,"sku":"B0F6LM5GTD","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71dPynUSBJL._AC_SL1500.jpg?v=1778351309","url":"https:\/\/gearmusthave.com\/products\/sunlu-3kg-large-spool-tpu-filament-1-75mm-fast-flexible-prints","provider":"GearMustHave","version":"1.0","type":"link"}