TPU / Flex Filaments

44 products

  • Bambu Lab TPU for AMS Bambu Lab TPU for AMS

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    Bambu Lab Bambu Lab TPU for AMS

    2691 in stock Shipped immediately

    Bambu Lab TPU for AMSBambu Lab’s TPU for AMS is a flexible filament specially formulated to be loaded reliably by the AMS system, combining elasticity and ease of use.Key features Flexible and AMS compatible Good elasticity and abrasion resistance Easy to load and print Ideal for gaskets, flexible cases and dampers Technical data (source: official Bambu Filament Guide) Material TPU for AMS Diameter 1.75 mm (±0.03 mm) Spool weight 1 kg (net) Nozzle temperature 220–240 °C Build plate Smooth PEI 30–35 °C · Textured PEI 30–35 °C Print speed < 250 mm/s Cooling fan 20–50% Enclosed chamber Optional AMS compatible Yes Recommended nozzle 0.4/0.6/0.8 mm — hardened/stainless steel Drying before use Required Drying conditions Oven: 70 °C, 8 h — X1 plate: 80–90 °C, 12 h Seal with desiccant Required Heat resistance (HDT 0.45 MPa) N/A Water absorption (25 °C, 55% RH) 1.20% Flexural strength N/A Flexural modulus N/A Toughness (XY impact) 124.3 kJ/m² Annealing N/A Bed adhesion Bambu Liquid Glue / Glue Stick Official Bambu Lab values, indicative: refer to the Bambu Studio presets. Select Colour and Format (Spool or Refill) from the variant menu.Are you a business or a reseller?Contact us for more information about the product, about the quantities available in stock or to request a customised quote. We offer dedicated terms and discounts for business customers and volume purchases. Write to us or call us: our team is available to help you find the solution best suited to your needs.+39 393 53 48 510

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    2691 in stock Shipped immediately

    €35,99 - €39,99

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  • Sunlu TPU 95A Black Sunlu TPU 95A Black

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    Sunlu Sunlu TPU 95A Filament (Black)

    64 in stock Shipped immediately

    Sunlu Black TPU 95A Filament, 1.75mm diameter. 1kg spool. Flexible and elastic. Shore 95A. Abrasion resistant. For flexible prints, gaskets, footwear. Compatible with FDM 3D printers.

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    64 in stock Shipped immediately

    €17,99

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  • Bambu Lab TPU 95A HF Bambu Lab TPU 95A HF

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    Bambu Lab Bambu Lab TPU 95A HF

    1949 in stock Shipped immediately

    Bambu Lab TPU 95A HFBambu Lab’s TPU 95A HF is a flexible thermoplastic polyurethane (95A hardness) optimised for high speed, with good elasticity and wear resistance.Key features Flexible (95A hardness) Optimised for high speed (High Flow) Resistant to abrasion and tearing Ideal for functional flexible parts Technical data (source: official Bambu Filament Guide) Material TPU 95A HF Diameter 1.75 mm (±0.03 mm) Spool weight 1 kg (net) Nozzle temperature 220–240 °C Build plate Smooth PEI 30–45 °C · Textured PEI 30–45 °C Print speed < 200 mm/s Cooling fan 50–100% Enclosed chamber Optional AMS compatible No Recommended nozzle 0.4/0.6/0.8 mm — hardened/stainless steel Drying before use Required Drying conditions Oven: 70 °C, 8 h — X1 plate: 80–90 °C, 12 h Seal with desiccant Required Heat resistance (HDT 0.45 MPa) N/A Water absorption (25 °C, 55% RH) 1.08% Flexural strength N/A Flexural modulus N/A Toughness (XY impact) 123.2 kJ/m² Annealing N/A Bed adhesion Bambu Liquid Glue / Glue Stick Official Bambu Lab values, indicative: refer to the Bambu Studio presets. Select Colour and Format (Spool or Refill) from the variant menu.Are you a business or a reseller?Contact us for more information about the product, about the quantities available in stock or to request a customised quote. We offer dedicated terms and discounts for business customers and volume purchases. Write to us or call us: our team is available to help you find the solution best suited to your needs.+39 393 53 48 510

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    1949 in stock Shipped immediately

    €34,99

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  • NinjaTek Cheetah Flexible - Snow White NinjaTek Cheetah Flexible - Snow White - 1.75 mm / 0,5 kg

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    NinjaTek NinjaTek Cheetah Flexible - Snow White

    130 in stock Shipped immediately

    NinjaTek Cheetah Flexible filament is the fastest and easiest to print flexible filament on the market. The focus in the development of this material was on optimizing the user experience. The result is a filament that is printable across all types of desktop 3D printers at ABS and PLA speeds, many times twice the speed of other flexible materials on the market. Cheetah filament possesses industry-leading durability along with impact strength 84% greater than the next product (ABS). Its abrasion resistance is also second only to NinjaTek's Armadillo product, making Cheetah the perfect blend of speed, toughness, and strength. Suggested Applications: grips, guides, hinges, sleeves & snap-fit parts. Shore Hardness = 95A Prints speeds greater than 60 mm/s with standard ABS settings Significantly greater impact strength than all widely used materials - 84% greater than ABS! Industry-leading toughness and durability ensure longevity in printed parts Abrasion resistance 40% better than ABS and 76% better than PLA 580% elongation capabilities improve ability to withstand wear and tear Patented low friction exterior allows for fluid feeding Chemical resistance to many materials, including: naphtha, ASTM Oils #1-3, petroleum and freon Consistent diameter and material properties providing reliable, high-quality prints REACH and RoHS 2002/95/EC Directive compliant Extruder Temperature: 235°C 245°C Platform Temperature: Room temperature 40°C Glue or blue painter's tape is suggested if not using a heated bed. Print speeds: Top and bottom layer: 30-45 mm/ sec (600-1200 mm/ min) Infill speeds: 60-80 mm/ sec (3600-4800 mm/ min) Layer 2+ use cooling fan if available.

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    130 in stock Shipped immediately

    €40,00 - €56,00

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  • Bambu Lab TPU 85A / TPU 90A

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    Bambu Lab Bambu Lab TPU 85A / TPU 90A

    330 in stock Shipped immediately

    Bambu Lab TPU 85A / TPU 90ABambu Lab’s TPU 85A / 90A are very flexible and elastic filaments, for parts that have to bend and deform repeatedly.Key features High flexibility (85A/90A hardness) Excellent elasticity and elastic recovery Wear resistant Ideal for very flexible parts Technical data (source: official Bambu Filament Guide) Material TPU 85A / TPU 90A Diameter 1.75 mm (±0.03 mm) Spool weight 1 kg (net) Nozzle temperature 220–240 °C Build plate Smooth PEI 30–45 °C · Textured PEI 30–45 °C Print speed < 200 mm/s Cooling fan 50–100% Enclosed chamber Optional AMS compatible No Recommended nozzle 0.4/0.6/0.8 mm — hardened/stainless steel Drying before use Required Drying conditions Oven: 70 °C, 8 h — X1 plate: 80–90 °C, 12 h Seal with desiccant Required Heat resistance (HDT 0.45 MPa) N/A Water absorption (25 °C, 55% RH) 1.08% Flexural strength N/A Flexural modulus N/A Toughness (XY impact) 123.2 kJ/m² Annealing N/A Bed adhesion Bambu Liquid Glue / Glue Stick Official Bambu Lab values, indicative: refer to the Bambu Studio presets. Select Colour and Format (Spool or Refill) from the variant menu.Are you a business or a reseller?Contact us for more information about the product, about the quantities available in stock or to request a customised quote. We offer dedicated terms and discounts for business customers and volume purchases. Write to us or call us: our team is available to help you find the solution best suited to your needs.+39 393 53 48 510

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    330 in stock Shipped immediately

    €43,99

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  • Prusament TPU 95A Prusament TPU 95A (NFC)

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    Prusa Prusament TPU 95A (NFC)

    4 reviews

    130 in stock Shipped immediately

    Overview Prusament TPU 95A is a thermoplastic polyurethane filament designed to offer a balanced combination of flexibility, strength, and reliability. With a Shore hardness of 95A, it provides sufficient elasticity for flexible components while maintaining the structural integrity required for functional parts. Each spool is produced under carefully controlled manufacturing conditions and features a guaranteed tight diameter tolerance. This precision helps ensure stable extrusion, consistent layer adhesion, and fewer common issues associated with flexible materials, such as uneven flow or clogging. Built to Last The ether-based TPU formulation offers excellent wear resistance and long-term durability. It retains its flexibility even in low-temperature environments and performs reliably in conditions where many standard materials would become brittle. Prusament TPU 95A also provides strong resistance to oils, greases, and many common chemicals. Its low moisture absorption and hydrolysis resistance contribute to maintaining stable mechanical properties over time, even in demanding applications. Printing and Handling While flexible filaments generally require more careful tuning than rigid materials, TPU 95A is engineered to be relatively easy to print with the right setup. It flows smoothly at recommended temperatures and offers solid bridging performance compared to many other TPU filaments. Each spool comes with an NFC tag containing essential material data. On compatible systems, this allows for automatic material recognition and streamlined setup, optimizing your printing process. Typical Applications Thanks to its combination of elasticity and toughness, Prusament TPU 95A is ideal for functional parts that need to bend, absorb impacts, or withstand repeated mechanical stress. Common applications include protective covers, flexible grips, vibration damping elements, gaskets, snap-fit parts, and other components that benefit from controlled flexibility. Prusament TPU 95A is a high-quality flexible filament developed for functional 3D printing where elasticity and durability are essential. Manufactured in-house by Prusa Research under strict quality controls, it offers consistent diameter and reliable performance across a wide range of applications. The material combines flexibility with excellent mechanical resistance, making it suitable for both everyday use and more demanding environments. Key Features Premium flexible filament with high wear resistance Tight diameter tolerance for smooth, reliable extrusion Elastic and shock-resistant, even at low temperatures Strong chemical and hydrolysis resistance Good bridging and overhang performance for a TPU NFC tag with integrated material data on each spool Features Manufacturer: Prusa Model: 3585 EAN: 8594173676411 Weight: 961 g Buy Prusament TPU 95A (NFC) on STRATO3D with fast shipping to Italy. Note: In case of discrepancy between the variant description and the product code (SKU), the product code takes precedence for ordering purposes.

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    130 in stock Shipped immediately

    €38,99

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  • Siraya Tech Roamr TPU Air HR 80A Siraya Tech Roamr TPU Air HR 80A

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    Siraya Tech PRE-ORDER Siraya Tech Roamr TPU Air HR 80A

    Out of stock, 1-2 weeks

    Product on pre-order: you can order it right away, and it ships as soon as the item arrives at our warehouse.Siraya Tech Roamr™ TPU Air HR 80A is a flexible active-foaming TPU filament: during printing the material expands and produces much lighter parts, while keeping strength and elasticity. With Shore 80A hardness it is the softest and most comfortable version in the Roamr range.Key features Lightness: the reduced density lowers the weight of parts where comfort and efficiency matter High energy return (HR): it compresses under load and returns immediately to its original shape, excellent for absorbing impacts and vibrations Adjustable hardness: by varying the printing temperature you can modulate flexibility, weight and stiffness with a single filament Matte finish: the controlled foaming hides the layer lines, with excellent adhesion between layers ApplicationsSoles and insoles, wearable and ergonomic accessories, protective parts, anti-vibration elements, parts for RC and robotics and lightweight functional components. Diameter: 1.75 mm Net weight: 800 g Manufacturer: Siraya Tech

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    Out of stock, 1-2 weeks

    €70,00

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  • Siraya Tech Roamr TPU Air HR 85A

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    Siraya Tech PRE-ORDER Siraya Tech Roamr TPU Air HR 85A

    Out of stock, 1-2 weeks

    Product on pre-order: you can order it right away, and it ships as soon as the item arrives at our warehouse.Siraya Tech Roamr™ TPU Air HR 85A is a flexible active-foaming TPU filament: during printing the material expands and produces much lighter parts, while keeping strength and elasticity. Compared with softer TPUs it offers a firmer feel, ideal for functional parts subject to repeated loads.Key features Lightness: the reduced density lowers the weight of parts where comfort and efficiency matter High energy return (HR): it compresses under load and returns immediately to its original shape, excellent for absorbing impacts and vibrations Adjustable hardness: by varying the printing temperature you can modulate flexibility, weight and stiffness with a single filament Matte finish: the controlled foaming hides the layer lines, with excellent adhesion between layers ApplicationsSoles and insoles, wearable and ergonomic accessories, protective parts, anti-vibration elements, parts for RC and robotics and lightweight functional components. Diameter: 1.75 mm Net weight: 800 g Manufacturer: Siraya Tech

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    Out of stock, 1-2 weeks

    €60,86

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  • Forward AM TPS 90A

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    Forward AM Forward AM Ultrafuse TPS 90A 75g

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    Forward AM Ultrafuse TPS 90A.

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    Shipped immediately

    €40,26

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  • NinjaTek Cheetah Flexible - 1.75mm - 0.5 kg - Fire Red

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    NinjaTek NinjaTek Cheetah Flexible - 1.75mm - 0.5 kg - Fire Red

    66 in stock Shipped immediately

    NinjaTek Cheetah Flexible filament is the fastest and easiest to print flexible filament on the market. The focus in the development of this material was on optimizing the user experience. The result is a filament that is printable across all types of desktop 3D printers at ABS and PLA speeds, many times twice the speed of other flexible materials on the market. Cheetah filament possesses industry-leading durability along with impact strength 84% greater than the next product (ABS). Its abrasion resistance is also second only to NinjaTek's Armadillo product, making Cheetah the perfect blend of speed, toughness, and strength. Suggested Applications: grips, guides, hinges, sleeves & snap-fit parts. Shore Hardness = 95A Prints speeds greater than 60 mm/s with standard ABS settings Significantly greater impact strength than all widely used materials - 84% greater than ABS! Industry-leading toughness and durability ensure longevity in printed parts Abrasion resistance 40% better than ABS and 76% better than PLA 580% elongation capabilities improve ability to withstand wear and tear Patented low friction exterior allows for fluid feeding Chemical resistance to many materials, including: naphtha, ASTM Oils #1-3, petroleum and freon Consistent diameter and material properties providing reliable, high-quality prints REACH and RoHS 2002/95/EC Directive compliant Extruder Temperature: 235°C 245°C Platform Temperature: Room temperature 40°C Glue or blue painter's tape is suggested if not using a heated bed. Print speeds: Top and bottom layer: 30-45 mm/ sec (600-1200 mm/ min) Infill speeds: 60-80 mm/ sec (3600-4800 mm/ min) Layer 2+ use cooling fan if available.

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    66 in stock Shipped immediately

    €64,00

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  • NinjaTek Cheetah Flexible - Midnight Black NinjaTek Cheetah Flexible - Midnight Black

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    NinjaTek NinjaTek Cheetah Flexible - Midnight Black

    264 in stock Shipped immediately

    NinjaTek Cheetah Flexible filament is the fastest and easiest to print flexible filament on the market. The focus in the development of this material was on optimizing the user experience. The result is a filament that is printable across all types of desktop 3D printers at ABS and PLA speeds, many times twice the speed of other flexible materials on the market. Cheetah filament possesses industry-leading durability along with impact strength 84% greater than the next product (ABS). Its abrasion resistance is also second only to NinjaTek's Armadillo product, making Cheetah the perfect blend of speed, toughness, and strength. Suggested Applications: grips, guides, hinges, sleeves & snap-fit parts. Shore Hardness = 95A Prints speeds greater than 60 mm/s with standard ABS settings Significantly greater impact strength than all widely used materials - 84% greater than ABS! Industry-leading toughness and durability ensure longevity in printed parts Abrasion resistance 40% better than ABS and 76% better than PLA 580% elongation capabilities improve ability to withstand wear and tear Patented low friction exterior allows for fluid feeding Chemical resistance to many materials, including: naphtha, ASTM Oils #1-3, petroleum and freon Consistent diameter and material properties providing reliable, high-quality prints REACH and RoHS 2002/95/EC Directive compliant Extruder Temperature: 235°C 245°C Platform Temperature: Room temperature 40°C Glue or blue painter's tape is suggested if not using a heated bed. Print speeds: Top and bottom layer: 30-45 mm/ sec (600-1200 mm/ min) Infill speeds: 60-80 mm/ sec (3600-4800 mm/ min) Layer 2+ use cooling fan if available.

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    264 in stock Shipped immediately

    €64,00 - €112,00

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  • NinjaTek Chinchilla NinjaTek Chinchilla - 3DCC0029005

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    NinjaTek NinjaTek Chinchilla

    264 in stock Shipped immediately

    264 in stock Shipped immediately

    €78,00

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  • NinjaTek Cheetah Flexible - 1.75mm - 0.5 kg - Sapphire Blue NinjaTek Cheetah Flexible - 1.75mm - 0.5 kg - Sapphire Blue

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    NinjaTek NinjaTek Cheetah Flexible - 1.75mm - 0.5 kg - Sapphire Blue

    66 in stock Shipped immediately

    NinjaTek Cheetah Flexible filament is the fastest and easiest to print flexible filament on the market. The focus in the development of this material was on optimizing the user experience. The result is a filament that is printable across all types of desktop 3D printers at ABS and PLA speeds, many times twice the speed of other flexible materials on the market. Cheetah filament possesses industry-leading durability along with impact strength 84% greater than the next product (ABS). Its abrasion resistance is also second only to NinjaTek's Armadillo product, making Cheetah the perfect blend of speed, toughness, and strength. Suggested Applications: grips, guides, hinges, sleeves & snap-fit parts. Shore Hardness = 95A Prints speeds greater than 60 mm/s with standard ABS settings Significantly greater impact strength than all widely used materials - 84% greater than ABS! Industry-leading toughness and durability ensure longevity in printed parts Abrasion resistance 40% better than ABS and 76% better than PLA 580% elongation capabilities improve ability to withstand wear and tear Patented low friction exterior allows for fluid feeding Chemical resistance to many materials, including: naphtha, ASTM Oils #1-3, petroleum and freon Consistent diameter and material properties providing reliable, high-quality prints REACH and RoHS 2002/95/EC Directive compliant Extruder Temperature: 235°C 245°C Platform Temperature: Room temperature 40°C Glue or blue painter's tape is suggested if not using a heated bed. Print speeds: Top and bottom layer: 30-45 mm/ sec (600-1200 mm/ min) Infill speeds: 60-80 mm/ sec (3600-4800 mm/ min) Layer 2+ use cooling fan if available.

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    66 in stock Shipped immediately

    €64,00

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  • NinjaTek NinjaFlex Edge NinjaTek NinjaFlex Edge

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    NinjaTek NinjaTek NinjaFlex Edge

    462 in stock Shipped immediately

    NinjaFlex EdgeNinjaFlex Edge offers the best of both worlds: NinjaFlex flexibility and NinjaTek's innovative printability. NinjaFlex Edge offers incredible rebound – unlike anything on the market, and unparalleled print speeds for 83A durometer.Features and Benefits of NinjaFlex FilamentsShore Hardness = 83ATruly flexible (no infill or layer manipulation required to achieve performance)Flexibility allows for repeated movement and impact without wear or crackingProprietary low-friction exterior allows for smooth feedingUnique rebound gives material excellent bounce and recoilHigh grip lends itself to robotic grippers and treadConsistent diameter and material properties providing reliable, high-quality printsChemical resistance to many materials.REACH and RoHS 3 (EU 2015/863)Printing AdviceExtruder Temperature: 225 °C - 250 °CPlatform Temperature: Room Temperature to 50 °CAdvised Heated bed: Glue or blue painter's tape is suggested if not using a heated bed.Top and bottom layer: Top and bottom layer: 20-30 mm/sec (1200-1800mm/min)Infill speeds: 30-50 mm/sec (1800-3000 mm/min) Layer 2+ use cooling fan if available.

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    462 in stock Shipped immediately

    €78,00 - €144,00

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  • Siraya Tech PEBA 85A elastic filament - ST3030

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    Siraya Tech Siraya Tech FibreHeart PEBA 85A

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    Siraya Tech Fibreheart PEBA 85A is the Shore 85A PEBA filament from Siraya Tech for FDM 3D printers. A high-performance technical elastomer with excellent resistance to low temperatures, UV and chemicals. Ideal for flexible parts in demanding environments.Available at STRATO3D, a distributor specialising in technical 3D printing materials. Manufacturer: Siraya Tech Material: PEBA Hardness: 85A Shore SKU: SRT-FIBREHEART-PEBA-85A

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    €73,75

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  • NinjaFlex Filament - 2.85mm - 0.5 kg - Midnight Black NinjaFlex Filament - 2.85mm - 0.5 kg - Midnight Black

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    NinjaTek NinjaFlex Filament - 2.85mm - 0.5 kg - Midnight Black

    66 in stock Shipped immediately

    NinjaFlex FilamentOpen world of possibilities, limited only by your imagination. NinjaFlex, cutting-edge filament for 3D printers, is specially formulated thermoplastic elastomer (TPE) that produces flexible prints with elastic properties. Patent pending technology allows for fluid feeding and clean, high quality printed parts. NinjaFlex's unique flexibility and fluid feeding characteristics enable you to create in ways you never thought possible.Best Suited For:Fused Deposition 3D printers that use 1.75mm or 3mm filament.3D printers that accept other types of filaments such as ABS and PLA. Have questions about NinjaFlex? Read our Frequently Asked Questions belowFeatures:Filament shore hardness of approximately 85AConsistent diameter and material properties provide reliable, high quality printsPatent pending technology allows for fluid feedingLow tack, low CoF exterior allows fluid feed through filament guidesHigh elasticity and excellent abrasion resistanceExcellent build platform adhesion and bonding between layersREACH and RoHS 2002/95/EC Directive Compliant1.75mm filament spool =.50 kg3.00mm filament spool =.75 kgRecommended extruder temperature: 210 - 225°CRecommended platform temperature: 30 - 40°C

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    66 in stock Shipped immediately

    €58,41

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  • Polymaker PolyFlex TPU-90A

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    Polymaker Polymaker PolyFlex TPU-90A

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    Polymaker PolyFlex TPU-90A.

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    Shipped immediately

    €38,40

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  • Polymaker PolyFlex TPU-95A

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    Polymaker Polymaker PolyFlex TPU-95A

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    Polymaker PolyFlex TPU-95A.

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    Shipped immediately

    €30,40

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    Creality Creality CR-TPU 1.75mm 1kg

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    Creality CR-TPU - TPU Filament 1.75mm / 1kg.

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    Shipped immediately

    €20,80

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  • Anycubic TPU Filament 1 kg - Black Anycubic TPU Filament 1 kg - Black

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    Anycubic Anycubic TPU Filament 1 kg

    592 in stock Shipped immediately

    Anycubic TPU filament, grey, 1.75mm diameter. 1kg spool. Flexible and elastic. Abrasion resistant. For flexible prints and functional parts. Compatible with standard FDM 3D printers.

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    592 in stock Shipped immediately

    €20,80

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  • BASF TPU 85A BASF TPU 85A

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    Forward AM BASF Ultrafuse TPU 85A

    66 in stock Shipped immediately

    BASF Forward AM's Forward AM Ultrafuse BVOH filament is a technical material based on BVOH (water-soluble polyvinyl alcohol) – a support material designed for soluble supports for complex geometries and undercuts.Water-soluble, compatible with PA, PC, PLA. Printing temperature 200–230 °C.BASF Forward AM's Ultrafuse line sets new standards in professional FFF 3D printing, ensuring dimensional consistency, low warpage, and compatibility with leading industrial printing systems. Ideal for engineers, designers, and manufacturing companies requiring reliable and repeatable parts.Available on STRATO3D – the Italian reference for professional 3D printing.

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    66 in stock Shipped immediately

    €40,26

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  • Lay-Filaments Laywood-Flex 2.85mm 0.25kg

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    Lay-Filaments LayFilaments Laywood-Flex 2.85mm 0.25kg

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    Original accessory and spare part — Laywood-Flex 2.85mm flexible wood filament. Available at STRATO3D.

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    €26,41

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  • Anycubic TPU 95A 1.75mm 1kg - Black Anycubic TPU 95A 1.75mm 1kg - Grey

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    Anycubic Anycubic TPU 95A 1.75mm 1kg

    128 in stock Shipped immediately

    Anycubic TPU 95A is a flexible FDM 3D printing filament by Anycubic, selected by STRATO3D for reliable, high-quality prints. 1.75 mm diameter, 1 kg spool. Shipping from Italy.Brand: Anycubic

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    128 in stock Shipped immediately

    €20,80

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  • PolyFlex TPU-95A HS PolyFlex TPU-95A HS

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    Polymaker Polymaker PolyFlex TPU-95A High Speed

    66 in stock Shipped immediately

    66 in stock Shipped immediately

    €46,40

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TPU (Thermoplastic Polyurethane) and Flex filaments are flexible and elastic polymers that allow printing objects that bend, compress, and return to their original shape. They are essential for covers, gaskets, protective cases, knobs, shock absorbers, and parts subject to elastic deformation. On Strato3D, you will find over 25 TPU filaments with Shore A hardness ranging from 70 (very soft) to 95 (semi-rigid) and Shore D 60-70 (rigid-flexible).

When to use TPU/Flex

  • Covers for smartphones, tablets, electronic devices: impact protection.
  • Gaskets and o-rings: fluid sealing, vibration dampening.
  • Custom soles, midsoles, insoles: orthopedic or sports footwear.
  • Knobs, grips, bumpers: comfortable grip on tools.
  • Tires and wheels for RC/toys: grip and cushioning.
  • Automotive parts: rubber grommets, flexible ducts, parts subject to vibrations.

Technical characteristics

  • Nozzle temperature: 220-240 °C.
  • Bed temperature: 40-60 °C.
  • Shore A hardness: 70 (soft rubber) to 95 (hard rubber). Shore D 60-70 (semi-rigid).
  • Elongation at break: 300-700%.
  • Thermal resistance: -30 °C to +80 °C continuous.
  • Print speed: 20-40 mm/s recommended (250 mm/s for TPU HS).
  • Direct extruder: strongly recommended (Bowden systems struggle with soft materials).

Brands you find on Strato3D

TPU by Bambu Lab (TPU 95A), Polymaker PolyFlex TPU 95A, Snapmaker High Flow TPU 95A Black, Siraya Tech TPU 95A, BASF Forward AM Ultrafuse TPU 64D and TPU 85A.

Frequently Asked Questions

Can I print TPU with any printer? Yes, but a direct drive extruder is strongly recommended. With Bowden, soft materials below Shore A 90 "swell" in the tube and cause clogging.

Shore A 95 or Shore A 85? 95A is semi-rigid, with a behavior similar to hard rubber. 85A is clearly flexible like a gasket. For smartphone covers, typically 95A; for o-rings, 75-85A.

Can I print it at 250 mm/s? Only with high-speed formulated TPUs (e.g., Snapmaker High Flow). Standard ones above 60 mm/s create under-extrusion.

Is it oil resistant? Yes, TPU has good resistance to mineral oils and hydrocarbons. For synthetic oils, check the technical data sheet.

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