cork sheet: thermal,soundproof,eco-friendly. widely used say wall tile,underlayment,notice board surface. spec opon demands. cork sheet1) thermal,soundproof,eco-friendly,free of formaldehyde,100 % natural material.2) widely used such as be produced into cork wall tile,cork underlayment,cork flooring,notice board surface,all kinds of gaskets.3 ) mould size is 610*915,640*950,customized spec, ...