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Huamei Rubber plastic Heat-insulating & Heat-preservation Material is soft heat-insulating,heat-preservation and energy conservation materials made with advanced technology at home andadvancedfull-automatic continuous production line imported from abroad,using butyronitrile rubber with best performance and polyvinyl chloride(NBR,PVC)as main raw materials and other high quality auxiliary materials through foaming and so on special procedure. Specifications of Class1 ProductItemUnitSpecificationStandardDensityKg/m3≤95GB/T 6343FlammabilityOxygen index%≥32GB/T 2406SDR≤75GB/T 8627,CGB 8624-2006Conductivity factor Average temperature -20 0 40W/(m.k)≤0.031 ≤0.034 ≤0.036GB/T 10294Water vapor permeabilitycoefficientg/(m.s.pa)≤2.8×10-11GB/T 17146-1997Factor≥7.0×103Water absorption ratio in vacuum%≤10GB/T 177942008Dimension stability 105±3, 7d%≤10GB/T 8811Crack resistanceN/cm≥2.5GB/T 10808Compression resilience ratio Compression ratio 50% Compression time 72h%≥70GB/T 6669-2001Anti-ozone Ozone pressure 202mpa 200hNot crackingGB/T 7762Aging resistance 150hSlightly crumpling, no cracks,no pin holes, not deformingGB/T 16259Temperature-40110GB/T17794Planking1.2m wideThickness10mm 15mm20mm25mm30mmm/piece20m20m10m10m10m Requirements Table of Thickness for installationAs the environment conditions are different in various area,so the following datas are just for reference Can provide SGS certification.