... flexible pipe for use in the Chinese solar
water heating industry supplied with a roll of PE ... protection.The majority of Solar
Water heating system combinations do not produce hot
water above 90c even on a ... at 40c 0.38 ( GB/T 10294-1998)>>
water vapor permebility G/(M.S.PA) 4.0 x 10 ... 17146-1997Water prevention <<5.0X10 3 (GB/T 17794-1999)
Water Absorption % <<8>> (GB/T 17794 1999)Combustibility <