TPU 88AFlexible & Durable Excellence
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.
Quick Specifications


Advanced Materials
Soft Flexible TPU Material
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.
Real-World Applications
From automotive to sports & recreation applications, TPU 88A delivers exceptional performance across demanding industries. Its unique combination of excellent flexibility with shore a hardness of 88-90, superior shock absorption and vibration dampening, outstanding fatigue resistance (100k cycles with no cut growth) makes it the material of choice for engineers worldwide.
Automotive Components
Interior gaskets, seals, dashboard elements, and door handles with flexible properties
Sports Equipment
Protective gear, grips, shoe soles, and impact-resistant sporting goods
Footwear Solutions
Custom shoe soles, insoles, and flexible footwear components with excellent durability
Medical Devices
Orthopedic models, biocompatible prosthetics, and flexible medical device components
Industrial Tooling
Vibration dampeners, flexible connectors, and soft-touch industrial components




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Technical Datasheet
Advanced Manufacturing
Built with Precision SLS Technology
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 delivers unmatched precision and consistency for TPU 88A production. Our advanced powder bed fusion process ensures optimal material properties and surface quality.
- Layer Height: 0.1 - 0.15 mm. Fine layer resolution delivers smooth surface finish and precise feature definition.
- Tolerance: ± 0.3% (min ± 0.3 mm). Consistent dimensional accuracy across complex geometries and thin-wall features.
- Build Volume: 340 × 340 × 600 mm. Large production capacity enables efficient manufacturing of multiple parts or assemblies.
- Support-Free Manufacturing. Self-supporting powder bed process enables complex internal geometries and overhangs.
Technical Data
Mechanical Properties
TPU 88A exhibits excellent mechanical properties, making it ideal for functional prototypes and end-use parts that need to meet demanding performance requirements in automotive and sports & recreation applications.
Technical Specifications
Measurement | Value | Standard |
---|---|---|
Shore A Hardness | 88-90 | ISO/ASTM |
Tensile Strength (XY) | 8 MPa | ISO/ASTM |
Tensile Strength (Z) | 7 MPa | ISO/ASTM |
Tensile Elongation at Break (XY) | 270 % | ISO/ASTM |
Tensile Elongation at Break (Z) | 130 % | ISO/ASTM |
Tensile Modulus | 75 MPa | ISO/ASTM |
Flexural Modulus | 70 MPa | ISO/ASTM |
Tear Resistance (Trouser) | 26 kN/m | ISO/ASTM |
Compression Set (23°C, 72h) | 24 % | ISO/ASTM |
Rebound Resilience | 63 % | ISO/ASTM |
Abrasion Resistance (XY) | 86 mm³ | ISO/ASTM |
Fatigue Behavior (100k cycles) | No cut growth | ISO/ASTM |
Performance Characteristics
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, 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, medical & healthcare industries. 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.
Key Strengths
Ideal Applications
Design Considerations
Technical Data
Thermal Properties
TPU 88A exhibits exceptional thermal stability and outstanding performance in demanding thermal environments.
Technical Specifications
Property | Value | Standard |
---|---|---|
Glass Transition Temperature | -48 °C | ISO/ASTM |
Melting Temperature | 120-150 °C | ISO/ASTM |
Vicat Softening Point | 98 °C | ISO/ASTM |
Operating Temperature Range | -20 to 80 °C | ISO/ASTM |
Thermal Performance
TPU 88A's thermal properties ensure minimal dimensional deviation under fluctuating thermal conditions, making it highly suitable for applications requiring tight tolerances and structural integrity at elevated temperatures. TPU 88A maintains consistent mechanical performance even in thermally and environmentally variable conditions across automotive and sports & recreation and medical & healthcare and consumer products and industrial equipment applications.
Its thermal conductivity and insulating properties make it an excellent candidate for electronic enclosures, protective housings, and thermal management applications. TPU 88A resists thermal fatigue and creep deformation, particularly in cyclic thermal loading environments.
Prolonged exposure to temperatures approaching its upper limit may lead to gradual material degradation. In applications requiring sustained operation in high-temperature environments, consult with our engineering team for material recommendations and design guidelines.
Resources
Operating Range
Thermal Benefits
Thermal Applications
Thermal Considerations
Technical Data
Electrical Properties
Electrical property data for TPU 88A is not currently available in our database.
Technical Specifications
Property | Standard | Unit | Value |
---|---|---|---|
Electrical property data not available for this material. Contact our engineering team for specific electrical testing requirements. |
Electrical Performance
Electrical property data for TPU 88A is not currently available in our database. This material may not have been specifically tested for electrical applications, or the data may be available upon request.
If you require electrical performance data for your application, please contact our engineering team who can provide guidance on testing requirements and material suitability.
Resources
Electrical Applications
Electrical Considerations
Technical Data
Chemical Properties
TPU 88A chemical compatibility data for reference and design considerations.
Chemical Compatibility Chart
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 |
Chemical Performance
TPU 88A chemical compatibility data is provided for reference and design considerations. Please refer to the compatibility chart above for specific chemical resistance ratings.
For applications involving chemical exposure, please consult the compatibility chart and contact our team for application-specific guidance.
Resources
Resistance Categories
Chemical Considerations
Design Considerations
Technical Data
Biocompatibility & Compliance
TPU 88A is biocompatible, meeting USP Class VI and ISO 10993 standards, making it safe for short-term contact with skin and mucosal membranes.
Compliance Standards
Property | Compliance | Standard/Regulation |
---|---|---|
ISO 10993-5 | Yes | Cytotoxicity testing for biological evaluation |
ISO 10993-10 | Yes | In vivo sensitization testing |
OECD 439 | Yes | In vitro skin irritation testing |
RoHS | Yes | Restriction of hazardous substances directive |
REACH | Yes | European chemicals regulation compliance |
Compliance Resources
Medical Applications
Material Datasheets
Download comprehensive technical documentation for TPU 88A, including safety data, compliance certificates, and design guidelines.
Technical Datasheets
Compliance Certificates
Design Resources
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