Ningbo Sunwell Sealing Materials Co.,Ltd is one of the leading China cork sheet manufacturers and suppliers with one of the famous brands, and we are also a professional cork sheet company and factory, welcome to contact us. Description SUNWELL Cork sheet is made from clean granulated cork mixed with resin binder, which is compressed to form black, split into sheets.Typical Application > Made for gaskets, cork underlayment, surface of notice board > Proof, sound proof, heat insulationPrime Features > Natural > Free of formaldehyde, eco-friendly > good resilience, good resistance to water, oil and solvents, good compressibility,etcTechnical Data (Distinguish from granule grade) according with the standard ISO4714 Cork sheet (Granule grade) Small Middle Big Granules size (1/inch) 30~60 12~24 8~12 Tensile strength kg/cm2 8 12 8 Compressibility 100psi load % 15~40 10~30 15~40 Recovery % 75 65 75 Flexibility multiple 15 12 15 Boiling water resistance hour 3 5 3 Distinguish from density Density Low Middle High Kgs/m3 270 320 380 Dimensions 950x640mmx0.8~100mm (Untrimmed) 915x610mmx0.8~100mm (Trimmed) Package: Carton Box 950x640x300mm 915x610x300mm Roll: 1220mmxLengthx1~6mm Other sizes on requirements.