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 Cure Time Specific Gravity Specific Volume Color Tensile Strength Shrinkage Elongation At Break Mixed Viscocity Mix Ratio By Volume Mix Ratio By Weight Pot Life Shore D Hardness 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 30 min. 1.10 g/cc 25.2 cu. in./lb. Translucent White 1,560 psi 0.007 in. / in. 100 % 250 cps 1A:1B 100A:93B 5 min. 45 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 30 min. 1.05 g/cc 26.4 cu. in./lb. Translucent White 2,420 psi 0.012 in. / in. 100 % 300 cps 1A:1B 100A:93B 3 min. 57 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 30 min. 1.05 g/cc 26.4 cu. in./lb. Translucent White 2,420 psi 0.012 in. / in. 100 % 430 cps 1A:1B 100A:93B 5 min. 60 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 60 min. 1.05 g/cc 26.4 cu. in./lb. Translucent White 2,420 psi 0.012 in. / in. 100 % 430 cps 1A:1B 100A:93B 7 min. 61 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 15 min. 1.05 g/cc 26.4 cu. in./lb. White 2,400 psi 0.01 in. / in. 20 % 120 cps 1A:1B 100A:93B 2.5 min. 65 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 60 min. 1.05 g/cc 26.4 cu. in./lb. Grey 2,400 psi 0.01 in. / in. 20 % 120 cps 1A:1B 100A:93B 7 min. 66 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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