Industrial Insulation Resource Library Johns Manville
Jan 26, 2021 0183 32TRYMER 174 PIR: Closedcell, foam insulation for industrial pipes, vessels, and equipment.Service temp: 297 176F to 300 176F 183 176C to 148 176C TRYMER 174 2550 PIR: Offers the same, great thermal performance of TRYMER PIR but with a lower flame/smoke rating that meets the ASTM 84 25/50 Fire Hazard Classifi ion Rating at thicknesses up to 1.5quot TRYMER 174 Core PIR: Used as core