cork sheet 1) Material:pure cork 2) size:300mmx300mm 3) density:500-550kgs/m3 4)used as substrate of cork stick down floor This type of cork sheets are generally used as substrate of cork stick down floor. The normal density is 500-550kgs/m3. Double-sanded. Available in size of 300x300mm, 305x305mm, in thickness of 3mm,5mm. Other sizes (greater thicknesses or alternate widths and lengths) can be ...