Composition Cork is made of cork granules, which have been, joined together using different synthetic or natural binding agent. One of the most widely used agglomerated cork product viz. cork sheets is available in different grades, textures, bondings, densities and even colour. The standard size of cork sheet is 3' x 2' and thickness ranges from 0.8mm to 10mm (and slabs up to 125mm). At Advance Cork International we also supply Cork sheet in roll forms from 0.8mm to 6mm thickness and width of 610mm or 915mm and even 1 metre.