SLS Technology
Material OverviewPolymer

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

Tensile Strength
N/A
Tolerance
±0.25%
Melting Point
N/A
Technology
SLS
TPU 88A 3D printed part example
Support-Free Printing
Complex Geometries
TPU 88A SLS cube sample showing flexible thermoplastic polyurethane with exceptional durability and shock absorption

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.

8 MPa
Material Strength
Dependable tensile strength for general applications
1.1 g/cm³
Lightweight
Low density ideal for lightweight components
-48°C
Thermal Stability
Temperature performance and thermal stability
N/A
Material Properties
See material datasheet for detailed properties

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

TPU 88A Batch production of flexible TPU 88A components showcasing volume manufacturing capabilities
Volume Production
Batch production of flexible TPU 88A components showcasing volume manufacturing capabilities
TPU 88A High-detail TPU 88A sports equipment showing flexible protective properties
Athletic Gear
High-detail TPU 88A sports equipment showing flexible protective properties
TPU 88A Custom TPU 88A shoe components with excellent durability and comfort
Shoe Components
Custom TPU 88A shoe components with excellent durability and comfort
TPU 88A Mass customization applications using flexible TPU 88A for personalized fit
Mass Customization
Mass customization applications using flexible TPU 88A for personalized fit

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.

SLS Manufacturing Lab

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

MeasurementValueStandard
Shore A Hardness88-90 ISO/ASTM
Tensile Strength (XY)8 MPaISO/ASTM
Tensile Strength (Z)7 MPaISO/ASTM
Tensile Elongation at Break (XY)270 %ISO/ASTM
Tensile Elongation at Break (Z)130 %ISO/ASTM
Tensile Modulus75 MPaISO/ASTM
Flexural Modulus70 MPaISO/ASTM
Tear Resistance (Trouser)26 kN/mISO/ASTM
Compression Set (23°C, 72h)24 %ISO/ASTM
Rebound Resilience63 %ISO/ASTM
Abrasion Resistance (XY)86 mm³ISO/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

Impact resistance
Fatigue resistance
Dimensional stability
Balanced stiffness

Ideal Applications

• Moving assemblies
• Snap-fit components
• Load-bearing structures
• Precision geometries

Design Considerations

Avoid sharp internal corners in stress-bearing areas
Consider creep at sustained loads above 30% yield strength
Optimal performance with 0.8mm+ wall thickness

Technical Data

Thermal Properties

TPU 88A exhibits exceptional thermal stability and outstanding performance in demanding thermal environments.

Technical Specifications

PropertyValueStandard
Glass Transition Temperature-48 °CISO/ASTM
Melting Temperature120-150 °CISO/ASTM
Vicat Softening Point98 °CISO/ASTM
Operating Temperature Range-20 to 80 °CISO/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.

Operating Range

Continuous UseUp to -38°C
Short TermUp to -58°C
Glass Transition-48°C

Thermal Benefits

Low thermal expansion
Thermal fatigue resistance
Dimensional stability
High temperature capability

Thermal Applications

Flexible gaskets and seals
Sports protective equipment
Thermal cycling components
Heat-resistant functional parts

Thermal Considerations

Prolonged exposure above -48°C may cause property degradation
Consider thermal expansion coefficient in constrained assemblies
Excellent dimensional stability within operating temperature range

Technical Data

Electrical Properties

Electrical property data for TPU 88A is not currently available in our database.

Technical Specifications

PropertyStandardUnitValue
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.

Electrical Applications

Contact engineering for electrical testing and application guidance

Electrical Considerations

Contact engineering for testing
Application-specific requirements
Custom testing available

Technical Data

Chemical Properties

TPU 88A chemical compatibility data for reference and design considerations.

Chemical Compatibility Chart

ChemicalTypeCompatibility
Mineral OilHydrocarbonGood
Hydraulic FluidHydrocarbonGood
GasolineHydrocarbonGood
Isopropyl AlcoholSolventGood
Ethanol (95%)SolventGood
Hydrochloric Acid (18.5%)AcidGood
Sodium Hydroxide (40%)BaseGood
Hydrogen Peroxide (30%)OxidizerGood
AcetoneSolventModerate
XyleneSolventModerate

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.

Resistance Categories

HydrocarbonsGood
SolventsGood
AcidsGood
BasesGood
OxidizersGood

Chemical Considerations

Contact engineering for testing
Application-specific requirements
Custom testing available

Design Considerations

Verify chemical compatibility before use
Consider concentration and temperature effects
Test compatibility in actual use conditions

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

PropertyComplianceStandard/Regulation
ISO 10993-5YesCytotoxicity testing for biological evaluation
ISO 10993-10YesIn vivo sensitization testing
OECD 439YesIn vitro skin irritation testing
RoHSYesRestriction of hazardous substances directive
REACHYesEuropean chemicals regulation compliance

Compliance Resources

Medical Applications

Medical prosthetics and orthotics

Material Datasheets

Download comprehensive technical documentation for TPU 88A, including safety data, compliance certificates, and design guidelines.

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