Tenders for Supply of Cork Composition Sheet, Made By Compounding Of Fine Cork Granules With Synthetic Rubber, Grade Rc70c Conforming To Is-4253 Pt Ii Nov.2008 Size 900 X 600 X 12 Mm. Material Should Be Nbc Nitrile Bonded Cork Gasket Conforming To Is-4253 Part-2 2008.