TPU 92A-1, a thermoplastic polyurethane, is a fully-functional flexible and strong material. TPU 92A-1 is the only 3D printing material that combines the qualities of durable elasticity, high tear and abrasion resistance, high resistance to dynamic loading, snappy response and a good thermal resistance (-20°C to 80°C). This material is food-safe under certain conditions.

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Technical Specifications

Standard lead time Minimum of 4 working days, depending on part size, number of components and finishing degrees (offline orders)
8 working days (online orders)
Standard accuracy ±0.3% (with lower limit on ±0.3 mm)
Layer thickness 0.12 mm 
Minimum wall thickness 1 mm, but living hinges are possible at 0.3 mm
Maximum part dimensions 260 x 280 x 250 mm (online & offline orders)
Interlocking or enclosed parts? Yes
Surface structure Unfinished parts typically have a grainy surface but all kinds of fine finishes are possible. TPU parts can be sandblasted and colored/impregnated.

Datasheet

MEASUREMENT VALUE STANDARD
Density 1.2 g/cm³    
Tensile Strength 27 MPa  DIN EN ISO 527
Elongation at Break  400%  DIN EN ISO 527
Flexural Modulus 9 N/mm² DIN EN ISO 178
Shore Hardness (A) 92 DIN 53505
Abrasion resistance 31 mm³ ISO 4649
Vicat Softening Temperature A/50 90°C DIN EN ISO 306

Actual values may vary with build condition

How Does Laser Sintering Work?

Laser Sintering is a laser-based technology that uses solid powder materials, typically plastics. A computer-controlled laser beam selectively binds together particles in the powder bed, by raising the powder temperature above the glass transition point after which adjacent particles flow together. As the powder is self-supporting, no support structures are necessary.

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