... and barrel from easy-abrasion and give an easy forming process Characteristics:Material: PA, Temperature range: -40 -115 , the product does ... . 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 , ...