Rubber Insertion Sheets or popularly known as Diaphragm Rubber Sheets are Fabric reinforced Rubber Sheets. 1, 2 or more layer of fabric are being inserted in Rubber Sheets this reinforcement could be of either Nylon, cotton fabric this provides strength to the Sheets. Nylon Fabric Reinforced Nitrile Rubber Sheets are widely used as Diaphragms for Oil, LPG, Solvents & Gases resistant application in Automobile & other Industries.