1.) Light Resin Bonded (LRB) mattresses consists of fine spun from selected rocks melted at high temperature and bonded with a thermosetting resin. These mattresses are used for Hot & Cold insulation to conserve in process industries.

2.) Resin Bonded (RB) mattresses consists of long fing fibers spun from molten rock and bonded with a thermosetting resin. These slabs of fer excellent thermal resistance in funaces, ovens, ducts, autoclaves, chimneys, under deck insulation, air conditionig, duct isnulation etc.