... /8624,UL94 BS 476 part6 part7 1997Oxygen Index%»33GB/T 2406Classification somke--«65GB 8627Smoke Toxicity--According with class ZA3 ... ,excellentGA 132Water Absorption%«10GB/T 17794Tear StrengthN/cm»5GA/T 10808Dimension Stability%105 7days «10%GB 8811Compress ... --150hours,slight goffers, no cracks, holes and distortionGB/T 16259DimensionMStandard length of tube is 2m Standard width of ...