The Smooth-Cast™ Semi-Rigid line of low-cost semi-rigid polyurethane casting resins cure quickly to semi-rigid plastics that offer excellent impact resistance. These plastics are easy-to-use (mix ratio is 1A:1B by volume) and have low viscosities for minimal bubble entrapment. Vibrant colours are possible by adding SO-Strong™, UVO™ or Ignite™ colourants.
These semi-rigid plastics are good for making impact resistant prototypes, models, toys, props, climbing holds, etc.
Smooth-Cast™ 66D is a grey resin with a 7 minute pot life and 60 minute demold time.
NOTE: Do not use Smooth-Cast® 66D for roto casting.
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