While random copolymerization polypropylene (PP-R) light resistant pipe
A technology of random copolymerization and polypropylene, which is applied in the direction of pipes, rigid pipes, pipes/pipe joints/pipe fittings, etc., and can solve problems such as easy to breed moss
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[0006] The picture includes a white PP-R water pipe, which is characterized in that the white PP-R water pipe has three layers, the outer layer 1 and the inner layer 2 are white PP-R, and the middle layer 3 is black PP-R.
[0007] In the production, the co-extrusion method is used to produce a white PP-R water pipe with two layers of 1 and 2 white PP-R and a layer of 3 black PP-R. Since the middle layer 3 of the water pipe is black PP-R, it It can block sunlight from shining on the flowing water in the water pipe, prevent the growth of moss, and ensure the quality of water supply.
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