... strength. GY-GJ-PP,PE,PVC,EVA Corrugated Pipe Machine Usage:This kind of pipe owns the features of high temperature resistance , anti ... . Anti-inflamation rate is HB (U 94). The black color pipe is ultraviolet resistant.Material: PP, Temperature range: -20 -110 , the ... is anti-oil, anti-acid, anti-alkali. The black color pipe is ultraviolet resistant.Material: PE, Temperature range: -40 -80 , the ...