{"title":"Foaming TPU Filament","description":"\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eFoaming TPU filament from Siraya gives you control over weight, softness, and performance in one flexible material. Our collection includes LW TPU filament and active foaming filament designed for makers who want lighter parts without giving up strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eYou can tune density and hardness by adjusting temperature. That means one spool can handle multiple use cases. Ideal for wearables, sports gear, drone parts, grips, and functional prototypes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you need reduced weight TPU that still holds up under stress, this collection is built for that.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eOptions That Match Real Needs\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eDifferent projects need different feel and weight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eTunable hardness from soft to firm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eExpandable TPU that lowers part density\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eUp to 50% weight reduction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLow-density TPU for moving assemblies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eSoft 3D printing filament for skin contact\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eOne Spool, Adjustable Results\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePrint cooler for denser, firmer parts. Raise temperature to activate more foaming for lighter, softer results. This flexibility saves time and reduces the need to stock multiple materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConsistent Quality That Delivers Better Results\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eLightweight should still mean durable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStrong rebound and fatigue resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eImpact-absorbing TPU structure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eResists wear from bending and flexing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStable layer bonding during foaming\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eClean, soft-touch surface finish\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThis foaming flexible material keeps elasticity while cutting mass. Parts stay reliable for daily use, not just display.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWorks with What You Already Use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eNo special setup required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eCompatible with most FDM 3D printers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStandard 1.75mm filament format\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eSmooth feeding to reduce jams\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePredictable expansion when tuned properly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eEasy to dial in with common slicers\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eCompared to many lightweight TPU filament options, this active foaming filament maintains stable extrusion before expansion. That helps improve surface consistency and print success.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBuilt for Real-World Use\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eDesigned for parts that move and absorb impact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eInsoles and comfort pads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eWearables and straps\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eProtective cases and grips\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRC and drone components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFunctional prototypes that need rebound\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eYou get a flexible lightweight filament that feels soft but performs like an engineering-grade material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eExplore Related Collections\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\n\u003ca href=\"https:\/\/siraya.tech\/collections\/flexible-filaments\"\u003e\u003cstrong\u003eFlexible Filaments\u003c\/strong\u003e\u003c\/a\u003e \u003cspan style=\"font-weight: 400;\"\u003e— More elastic materials for shock absorption and comfort-focused prints.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\n\u003ca href=\"https:\/\/siraya.tech\/collections\/thermoplastic-polyurethane-filament\"\u003e\u003cstrong\u003eThermoplastic Polyurethane Filament\u003c\/strong\u003e\u003c\/a\u003e \u003cspan style=\"font-weight: 400;\"\u003e— Standard TPU options for non-foamed flexible parts.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\n\u003ca href=\"https:\/\/siraya.tech\/collections\/nylon-filaments\"\u003e\u003cstrong\u003eNylon Filaments\u003c\/strong\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e — Strong, fatigue-resistant materials for high-stress applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\n\u003ca href=\"https:\/\/siraya.tech\/collections\/strong-3d-printer-filament\"\u003e\u003cstrong\u003eStrong 3D Printer Filament\u003c\/strong\u003e\u003c\/a\u003e \u003cspan style=\"font-weight: 400;\"\u003e— High-performance materials for load-bearing functional prints.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eFAQs on Foaming TPU Filaments\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is foaming TPU filament?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eFoaming TPU filament is a flexible material that expands during printing. Heat activates a controlled foaming process inside the filament. This creates low-density TPU parts that are lighter and softer. You can adjust hardness by changing print temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow is LW TPU filament different from regular TPU?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eLW TPU filament reduces weight by expanding while printing. Regular TPU keeps the same density and hardness. Foaming flexible material lets you tune softness and part weight. Standard TPU does not offer that range.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs foaming TPU filament hard to print?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMost active foaming filament works on common FDM printers. Correct temperature and speed settings are important. Once tuned, extrusion is stable and consistent. Many users find it as manageable as standard flexible filament.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat can I make with lightweight TPU filament?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eYou can print insoles, grips, wearables, drone parts, and protective gear. It is ideal for impact-absorbing TPU applications. Reduced weight TPU helps with comfort and moving assemblies. It also works well for functional prototypes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow do I control hardness in expandable TPU?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eHardness depends on print temperature. Lower temperatures create denser and firmer parts. Higher temperatures increase expansion for softer results. This allows one spool to serve multiple flexibility needs.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"siraya-tech-rebound-peba-air-70a-95a-foamed-elastic-filament","title":"Siraya Tech Rebound PEBA Air 70A-95A - Foamed Elastic Filament","description":"\u003cp\u003e\u003cstrong\u003eLightweight · Bouncy · Tunable Flexibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSiraya Tech PEBA Air is a groundbreaking foaming elastomer filament that lets you control softness (70A-95A) and density by adjusting the print temperature.\u003c\/p\u003e\n\u003cp\u003eIt’s the perfect choice for creating high-rebound, lightweight, and durable parts—ideal for performance sports gear, wearables, drone components, and functional prototypes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTunable Hardness (70A–95A)\u003c\/strong\u003e – Higher temp = softer feel, lower temp = firmer rebound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Lightweighting\u003c\/strong\u003e – Up to 50% weight reduction with active foaming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Durability\u003c\/strong\u003e – Nylon-TPE backbone offers high fatigue and chemical resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft Matte Texture\u003c\/strong\u003e – Unique foamed surface feels like soft fabric—great for wearables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Printability\u003c\/strong\u003e – Stiff enough to avoid jams, even at high speeds.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siraya Tech","offers":[{"title":"US \/ 800g \/ Black","offer_id":43136333774957,"sku":"ST3029","price":57.39,"currency_code":"USD","in_stock":true},{"title":"EU \/ 800g \/ Black","offer_id":43767392075885,"sku":"ST3029EU","price":61.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/7539\/1341\/files\/PEBAAir.jpg?v=1755747552"}],"url":"https:\/\/sirayatech.myshopify.com\/collections\/foaming-tpu-filament.oembed","provider":"Siraya Tech","version":"1.0","type":"link"}