... coated PUR Technical IndexTest ItemUnitMeasured valueStandard valueTest standardDenity/Normal tempKg/m³40≥30ASTM, D1622,GB6343 GB/T6343-95,JC/T868-2000Thermal ... ≤0.023≤0.027ASTM C518, GB10294Vapor transmissionNg/Pa·m·s≤3.34 GB10294-88 GB/T 17146Water absorptiong/100cm2≤ ...