Smooth-Cast™ Semi-Rigid Resins

Create durable semi-rigid plastic parts with Smooth-On urethane casting resins designed for strength, impact resistance and reliable reproduction work. The Smooth-Cast™ Semi-Rigid Resins range includes different Shore D hardness levels, pot lives and demold times, with options suitable for hand casting, machine casting and rotational casting. Ideal for prototypes, models, props, shells, production parts and impact-resistant castings.
Available in Smooth-Cast™ Semi-Rigid Resins
Product Color Color Mixed Viscocity Cure Time Pot Life Specific Volume Specific Gravity Mix Ratio By Weight Shrinkage Mix Ratio By Volume Tensile Strength Elongation At Break Shore D Hardness
Smooth-Cast™ 45D Translucent White Translucent White 250 cps 30 min. 5 min. 25.2 cu. in./lb. 1.10 g/cc 100A:93B 0.007 in. / in. 1A:1B 1,560 psi 100 % 45
Smooth-Cast™ 57D Translucent White Translucent White 300 cps 30 min. 3 min. 26.4 cu. in./lb. 1.05 g/cc 100A:93B 0.012 in. / in. 1A:1B 2,420 psi 100 % 57
Smooth-Cast™ 60D Translucent White Translucent White 430 cps 30 min. 5 min. 26.4 cu. in./lb. 1.05 g/cc 100A:93B 0.012 in. / in. 1A:1B 2,420 psi 100 % 60
Smooth-Cast™ 61D Translucent White Translucent White 430 cps 60 min. 7 min. 26.4 cu. in./lb. 1.05 g/cc 100A:93B 0.012 in. / in. 1A:1B 2,420 psi 100 % 61
Smooth-Cast™ 65D White White 120 cps 15 min. 2.5 min. 26.4 cu. in./lb. 1.05 g/cc 100A:93B 0.01 in. / in. 1A:1B 2,400 psi 20 % 65
Smooth-Cast™ 66D Grey Grey 120 cps 60 min. 7 min. 26.4 cu. in./lb. 1.05 g/cc 100A:93B 0.01 in. / in. 1A:1B 2,400 psi 20 % 66

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