... sheet 0.8~100mm.Density: 270~300kg/m³cork underlayment collect superior performance of cork in one with flexibility, ... , plasticity strong!we have kinds of cork underlayment, use as following:1. used in floor mats, decorative materials, dunnage, packaging, decoration ... of dunnage, packaging, decoration and so on. Our cork underlayment are made of fine quality cork, green environmental protection, ...