SUMILITERESIN® PR-F-85 I is a flake phenolic resin with good properties in foundry manufacture. It is designed with a high molecule number and modified with bis-phenol-A in order to obtain low thermal expansion, anti peelback properties, and a high stick point. It is preferable add about 15% hexamine/resin when applied in resin coated sand (RCS).Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp) |