SUMILITERESIN® PR-1070 I is a powder novolak type phenolic resin which contains about 10% NBR modified, 9% hexamine, and it has a high molecular number. For Friction Material: improves friction coefficient, low noise, flexibility and good feeling of braking. For Bonded Abrasive: good to improve flexibility of grinding wheel.Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp) |