Ultrasint TPU 88A is a thermoplastic polyurethane powder specifically developed for selective laser sintering. This material delivers an exceptional balance of flexibility, strength, and durability, making it ideal for applications requiring elastomeric properties. With Shore A hardness of 88-90, TPU 88A provides excellent shock absorption, fatigue resistance, and the ability to print fine details and complex geometries.
Ultrasint TPU 88A is a thermoplastic polyurethane powder specifically engineered for selective laser sintering applications. This advanced elastomeric material combines exceptional flexibility with outstanding durability, providing Shore A hardness of 88-90 for optimal balance between softness and structural integrity. With superior shock absorption, fatigue resistance, and the ability to produce fine details and complex geometries, TPU 88A enables the creation of high-performance flexible parts. Its stable white color provides an excellent foundation for various post-processing techniques including dyeing, painting, and surface treatments, making it ideal for both functional prototypes and end-use production parts.
TPU 88A combines excellent flexibility with shore a hardness of 88-90 and superior shock absorption and vibration dampening, delivering outstanding fatigue resistance (100k cycles with no cut growth) for demanding applications. From rapid prototyping to production runs, teams rely on TPU 88A to maintain tight tolerances while reducing assembly complexity through consolidated part designs.
TPU 88A transforms SLS flexibility capabilities by combining Shore A 88-90 hardness with exceptional 270% elongation at break, enabling complex elastomeric geometries impossible with traditional molding. The EOS laser sintering process maintains precise control over the thermoplastic polyurethane powder, achieving consistent mechanical properties even in thin-walled sections down to 0.8mm. This material's superior fatigue resistance—validated through 100,000 cycles with no cut growth—makes it ideal for automotive seals, sports equipment, and medical prosthetics requiring repeated flexing. The support-free SLS process allows internal lattice structures and complex undercuts that optimize cushioning and weight reduction.
Build Volume
340 × 340 × 600 mm
Max part size
Lead Time
2-4 business days
Fast turnaround available
Layer Height
0.1 - 0.15 mm
Resolution
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Manufactured in Forge Labs' North American production centers with serialized traceability for TPU 88A.
Navigate directly to the property tables and grab the latest datasheet for your build review.
TPU 88A brings flexible, rubber-like properties to SLS 3D printing with 88 Shore A hardness. This thermoplastic elastomer enables functional gaskets, seals, and shock-absorbing components with the design freedom of powder bed fusion.
The material's 600% elongation at break and excellent rebound properties make it ideal for applications requiring repeated compression and flexing. Unlike liquid rubber molding, SLS TPU requires no tooling and enables complex internal geometries.
Forge Labs' specialized TPU processing ensures consistent flexibility and surface quality. Our vapor smoothing and dyeing services transform TPU parts into production-quality components with professional appearance.
Every SLS build stays in sync inside Steam. Real-time DFM catches issues before production, instant quoting keeps timelines predictable.
From automotive seals to medical wearables, TPU 88A enables flexible solutions across industries. Explore applications leveraging this elastomeric material.
TPU 88A replaces traditional rubber components with 3D printed solutions for prototyping and low-volume production. The material withstands automotive fluids and temperature extremes.
Key Applications
Performance Data
Compression set <25% after 22 hours at 70°C with maintained flexibility from -30°C to 80°C for all-season performance.
TPU 88A's skin compatibility and flexibility make it ideal for patient contact applications. The material enables custom-fit devices with comfort and durability.
Key Applications
Performance Data
Passes ISO 10993-10 skin irritation testing with 500% elongation enabling comfortable, conforming medical devices.
Industrial applications use TPU 88A for custom gaskets with complex geometries. The material seals effectively while accommodating surface irregularities.
Key Applications
Performance Data
Maintains seal at 2 MPa pressure with 30% compression, surviving 10,000 compression cycles without failure.
Sports equipment leverages TPU 88A for impact protection and comfort. The material's energy absorption and rebound properties enhance athletic performance.
Key Applications
Performance Data
Energy return >40% with abrasion resistance <50mg loss per 1000 cycles, exceeding athletic footwear standards.
Batch production of flexible TPU 88A components showcasing volume manufacturing capabilities
Volume Production
High-detail TPU 88A sports equipment showing flexible protective properties
Athletic Gear
Custom TPU 88A shoe components with excellent durability and comfort
Shoe Components
TPU 88A delivers dependable strength and impact resistance for Flexible gaskets and seals and Sports protective equipment, helping teams move from prototype to production with confidence.
Mechanical Properties
88-90
TPU 88A records Shore A Hardness at 88-90, reinforcing its mechanical properties story.
Mechanical Properties
8 MPa
TPU 88A records Tensile Strength (XY) at 8 MPa, reinforcing its mechanical properties story.
Mechanical Properties
7 MPa
TPU 88A records Tensile Strength (Z) at 7 MPa, reinforcing its mechanical properties story.
TPU 88A combines Excellent flexibility with Shore A hardness of 88-90 and Superior shock absorption and vibration dampening to support Flexible gaskets and seals and Sports protective equipment that demand production-ready durability.
| Measurement | TPU 88ABase | Standard |
|---|---|---|
| Shore A Hardness | 88-90 | — |
| Tensile Strength (XY) | 8 MPa | — |
| Tensile Strength (Z) | 7 MPa | — |
| Tensile Elongation at Break (XY) | 270 % | — |
| Tensile Elongation at Break (Z) | 130 % | — |
| Tensile Modulus | 75 MPa | — |
| Flexural Modulus | 70 MPa | — |
| Tear Resistance (Trouser) | 26 kN/m | — |
| Compression Set (23°C, 72h) | 24 % | — |
| Rebound Resilience | 63 % | — |
| Abrasion Resistance (XY) | 86 mm³ | — |
| Fatigue Behavior (100k cycles) | No cut growth | — |
TPU 88A delivers dependable strength and impact resistance for Flexible gaskets and seals and Sports protective equipment, helping teams move from prototype to production with confidence.
TPU 88A delivers exceptional mechanical performance with excellent strength characteristics, effectively handling demanding load conditions. Its balanced mechanical profile allows it to maintain structural integrity while preventing brittleness in critical applications.
These qualities make it well-suited for Flexible gaskets and seals, Sports protective equipment, and Custom footwear components, providing long-term durability in demanding environments. TPU 88A maintains dimensional stability over time, ensuring consistent performance across temperature and stress variations.
This makes it a reliable choice for applications requiring precise geometries and tight tolerances across Automotive, Sports & Recreation, and Medical & Healthcare. Its versatility and durability allow it to perform consistently across a wide range of mechanical applications, ensuring parts maintain their integrity under repetitive stress and environmental conditions.
TPU 88A combines Excellent flexibility with Shore A hardness of 88-90 and Superior shock absorption and vibration dampening to support Flexible gaskets and seals and Sports protective equipment that demand production-ready durability.
Key metric
88-90
Key metric
8 MPa
Key metric
7 MPa
Detailed mechanical measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.
TPU 88A offers consistent density and surface quality so critical features hold tolerances and downstream finishing remains predictable.
TPU 88A exhibits a density of 1.1 g/cm³ that contributes to lightweight yet durable parts. Its low moisture absorption ensures dimensional stability in varying environmental conditions.
These physical properties enable consistent part quality and predictable performance across Flexible gaskets and seals, Sports protective equipment, and Custom footwear components. The material's inherent characteristics minimize warpage and maintain tight tolerances throughout the part lifecycle.
For Automotive, Sports & Recreation, and Medical & Healthcare, these physical attributes translate to reliable production outcomes with minimal post-processing requirements, ensuring parts meet specifications straight from the build platform.
TPU 88A delivers 1.1 g/cm³ density so assemblies fit and finish without secondary rework.
Key metric
1.1 g/cm³
Key metric
0.5 g/cm³
Key metric
70-90 μm
Detailed physical properties measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.
TPU 88A maintains dimensional stability through temperature swings, making it a reliable option for Automotive and Sports & Recreation programs that see repeated thermal cycling.
TPU 88A demonstrates excellent thermal stability with robust heat resistance, enabling it to maintain dimensional accuracy in elevated temperature environments. This thermal performance ensures parts retain their shape and mechanical properties even under thermal stress.
The material's thermal characteristics make it ideal for Flexible gaskets and seals, Sports protective equipment, and Custom footwear components that experience temperature fluctuations. Its ability to withstand thermal cycling without degradation ensures long-term reliability in Automotive, Sports & Recreation, and Medical & Healthcare.
With an operating temperature range up to -20 to 80 °C, TPU 88A provides engineers with confidence when designing parts for thermally demanding applications, from under-hood automotive components to industrial equipment exposed to heat sources.
TPU 88A maintains geometry with a Glass Transition Temperature of -48 °C, protecting dimensional integrity during heat cycling.
Key metric
-48 °C
Key metric
120-150 °C
Key metric
98 °C
Detailed thermal properties measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.
TPU 88A offers tested chemical resistance across acids, bases, solvents, and hydrocarbons to ensure reliable performance in harsh environments.
TPU 88A demonstrates broad chemical resistance with testing against 10 different chemicals, showing excellent compatibility with 0 substances and good compatibility with 8 others. This extensive chemical resistance profile makes it suitable for harsh industrial environments.
The material's resistance to acids, bases, solvents, and hydrocarbons enables its use in Flexible gaskets and seals, Sports protective equipment, and Custom footwear components that require exposure to aggressive chemicals. Its chemical inertness ensures parts maintain their mechanical properties even after prolonged chemical exposure.
For Automotive, Sports & Recreation, and Medical & Healthcare, this chemical stability translates to longer service life and reduced maintenance requirements, making TPU 88A a cost-effective choice for chemically demanding applications.
TPU 88A has been tested against 10 chemicals with 0 showing excellent compatibility for demanding chemical environments.
Detailed chemical properties values are being updated. Contact our engineering team if you need specific data right away.
Detailed chemical properties measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.
Evaluate how TPU 88A responds to common chemicals before you commit to production tooling. Filter the grid to focus on acids, bases, solvents, or hydrocarbons.
10 of 10 chemicals shown
| Chemical | Type | Compatibility |
|---|---|---|
| Mineral Oil | Hydrocarbon | Good |
| Hydraulic Fluid | Hydrocarbon | Good |
| Gasoline | Hydrocarbon | Good |
| Isopropyl Alcohol | Solvent | Good |
| Ethanol (95%) | Solvent | Good |
| Hydrochloric Acid (18.5%) | Acid | Good |
| Sodium Hydroxide (40%) | Base | Good |
| Hydrogen Peroxide (30%) | Oxidizer | Good |
| Acetone | Solvent | Moderate |
| Xylene | Solvent | Moderate |
Equip your team with certification packs, design guides, and spec sheets tailored to TPU 88A.
Access the most recent datasheet and supporting documentation maintained by our engineering team.
Explore printable geometry recommendations, wall thickness tips, and finishing playbooks for SLS.
View SLS design guideKeep your quality packet current with pre-approved certifications.
Advanced Manufacturing
TPU 88A is manufactured using industrial-grade Selective Laser Sintering (SLS) technology, ensuring exceptional mechanical properties and dimensional accuracy for demanding applications.
Industrial-grade SLS technology fuses TPU 88A powder into dense, repeatable components. 80%+ powder reusability and multi-laser print cells keep production scalable while maintaining isotropic mechanical performance.
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