Tenders for Supply of Synthetic Rubber Nitrile Bonded Cork Composition Sheet Gr. Rc70-A Type C Fine Granules Size 9 00+/- 15 Mm X 600 +/- 10Mm X6.35 Mm Thick Conforming To Is 4253 Part 2 : 2008 Amendment No. 1 October 2 010. Sheet To Be Stamped With Manufacturers Name, Month And Year Of Mfg. In Ink & Packed In Polythene Bag D Uly Sprinkled With Chalk Powder Individually. Warranty Period: 30 Months After The Date Of Delivery