Polyurethane Resins

Produce accurate, durable and performance-grade cast components with professional polyurethane resin systems from Smooth-On. This category includes materials for fast casting, clear casting, color matching, lightweight parts, semi-rigid components, tooling, props, models and production work. Smooth-On offers low-viscosity systems for detailed casting, plus impact-resistant, heat-resistant, UV-resistant, paste and specialty urethane options. Compatible additives can further adjust cure speed, handling and performance.

Available in Polyurethane Resins
Product Color Color Mixed Viscocity Cure Time Pot Life Specific Volume Specific Gravity Shrinkage Mix Ratio By Volume Shore D Hardness Handling Time Flexural Strength Flexural Modulus Ultimate Tensile Elongation At Break Heat Deflection Temp Compressive Strength Tensile Modulus Compressive Modulus Mix Ratio By Weight
SMASH! Plastic™ Clear Clear 900 cps 16 h. 5 min. 26.7 cu. in./lb. 1.036 g/cc 0.0001 in. / in. 1A:1B 80 90 min. - - - - - - - - -
Feather Lite™ Beige Beige 410 cps 2 h. 8.5 min. 41.3 cu. in./lb. 0.67 g/cc 0.003 in. / in. 1A:1B 58 - 3,440 psi 164,300 psi 2,160 psi 1.6 % 140 °F 3,070 psi 156,000 psi 53,700 psi -
Plasti-Paste™ Off White Off White Paste 24 h. 10 min. 27.73 cu. in./lb. 1.0 g/cc 0.005 in. / in. 1A:2B 70 90 min. 3,840 psi 203,000 psi 2,150 psi 1.14 % 130 °F 4,980 psi 235,000 psi 62,700 psi 62A:100B
Axsson - - - - - - - - - - - - - - - - - - - -
Smooth-Cast™ ONYX™ - - - - - - - - - - - - - - - - - - - -

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