Smooth-Cast 300 polyurethane resin 0.86kg
Smooth-Cast 300 polyurethane resin 0.86kg

Smooth-cast 300 castings after hardening are durable, machinable and colorable.
Mixing ratio (by volume): 1: 1
Mixing ratio (by weight): 100: 90
Hardness (Shore D): 70 D
Processing time: 3 min
Curing time: 10 min

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