HiTherm HT 450® Polyisocyanuate

A rigid closed cellular 2.5 lb/cu. ft. nominal density polyisocyanurate that is manufactured in buns for fabrication into a variety of shapes and sizes that include, but are not limited to: piping, fittings, valves, curved-side-segments and many more. HT 450® is designed with continuous service of  +400°F and intermittent service of +450°F for pipes and vessels that require insulation at elevated  temperatures.