SUMILITERESIN® PR-217 I has a high molecular weight, short flow, and a hexamine content of about 6.5%. For Friction Material: High heat resistance, good wearability, preferable for thick brake lining, and reduces gas emmision in processing. For Bonded Abrasive: suitable for general purpose grinding wheel. For Carbon Brush: High heat resistance. Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp) |