... air conditioners 2,heat reservation pipe 3,sound-absorption 4 GB Rohs BS476 Thermal CLASS B1 air conditionerused for separate air ... pressure 202mpa200h——Not crackingGB/T7762Aging resistance150h——Slightly crumpling,no cracks,GB/T16259Temperature°C-40°C——110°CGB/T17794 air conditioner