Breakthrough in CPU Processing – LIYANG PULISEN Introduces 3D-Printable Cast Polyurethane Systems

Meta Description: Explore LIYANG PULISEN’s development of additive-manufacturable cast polyurethane (CPU) with sub-0.1mm precision, expanding applications in prototyping and complex industrial components.

Liyang, China – LIYANG PULISEN POLYURETHANE PRODUCTS CO., LTD. unveils its PrintFlex™ CPU Resin System, a dual-component polyurethane formulation optimized for industrial 3D printing. This advancement addresses longstanding challenges in printing high-durometer thermosets with dimensional accuracy.

Technical Innovations:

Viscosity Control: 500–800 mPa·s at 25°C (Brookfield spindle #3) for smooth extrusion

Curing Profile: Two-stage post-curing (60°C/2h + 100°C/4h) ensures minimal warping

Mechanical Properties:

Shore hardness: 90A–85D

Tear strength: 45 kN/m (ASTM D624)

Heat deflection temperature: 125°C

Target Applications:

Custom gears and bushings for robotics

Prototyping molds for composite manufacturing

Lightweight load-bearing structures in logistics