SUMILITERESIN® PR-F-63 I is a flake phenolic resin with good properties in foundry manufacture. It is designed with a low molecule number and a short gel time in order to obtain short process time, fast cure, and high strength. It is preferable add about 15% hexamine/resin when applied in resin coated sand (RCS).Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp) |