SUMILITERESIN® PR-50235 I is a straight novolac phenoic resin that is in the form of flakes. Through the use of this resin, properties of rubber will be improved, such as hardness. SUMILITERESIN® PR-50235 I requires the addition of about 10% hexamine to make it thermoset properly.Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp) |