タイトルまたは説明

The aluminium moulds PP-R pipe and is formed by five floors, the middle is the aluminum pipe of the thin wall (adopt ultrasonic wave to weld), the skin is PP-R, layer is PE or PP-R inside, layer adopts the hot glue that the plastics and metal can stick with layer, crowded and compounded altogether through the high-temperature high pressure , there is pluralism in high polymer material PP-R and PE have steady chemical properties on the fifth floor, clean nonpoisonous having taking a sniff at , corrosion-resistant , quality light , mechanical intensity high , kind forming dirt fine characteristic heat resistance, it is the first-selected products of the masses of consumer's hot-water heating pipelines.