tender for cork sheet size 900 mm. l x 600 mm. w x 12 mm. t. the size of cork granules shall be of finecategory as per clause 3.2 of is:4253(pt-2)-2008, other characteristic properties as per type rc-70-c ofis:4253(pt-2)2008, any other binding parameter should be as per rdsos technical cireular no:elrs/tc/0076rev1. dry density range within 0.80gm/cc to 1.20 gm/cc.