... *915mm,640*950mm,Density:180-350kg/m3 Mositureproof,Sound proof,Heat Insulation. Natural,nontoxic. Many usages Cork sheet1. Mould size is 610 ... :120kg/m3-400kg/m3.3. Function:Mositure proof,Sound proof,Heat Insulation.4. Advantage :Natural, Free of Formaldehyde,eco-friendly.5. Usages ... board,gaskets and so on.6. Certificate: ISO 9001 certificate. Heat insulation Cork Sheet