Smooth-Cast™ 57D is a semi-rigid polyurethane plastic that offers a gradual cure profile (does not snap cure), making it suitable for machine or hand rotational casting.
Use For Rotational Casting - Once poured into a suitable rubber mould configuration, the mould can be rotated so that the resin mixture gradually coats the inside of the mould cavity. After an adequate wall thickness is attained inside the mould, the result is a cured hollow casting that is semi-rigid and highly impact resistant.
Use as a Casting Resin – Smooth-Cast™ 57D can also be used as a casting resin for making solid, semi-rigid castings that are tough and durable
Mix ratio is 1A:1B by volume. Working time is 3 minutes, demould time is 30 minutes and full cure properties are attained after 24 hours. Color is white translucent and the material is very easy to colour with SO-Strong™, UVO™ or Ignite™ colourants. Cured resin is also easy to paint with acrylic paints or UreCoat™ flexible coating for applications requiring thick, durable finishes.
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