PT Flex 70 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow/amber, Shore A70 rubber. PT Flex Series rubbers were specifically designed for prototyping and model making applications and offer fast pour times (~4 minutes) and fast demold times (~2 hours).
Shrinkage upon Cure
1A:1B by weight
~2 hr at room temp.
The color of polyurethane Part Bs may change in color from batch to batch or with time, but product performance is not affected. For additional physical property specifications, refer to the Physical Properties Bulletin.