1, Mark: Check the contents of the pipe material, generally including the name of PPR Pipe manufacturer (trademark), product name, type, specification size, production date, batch number, quality certification, etc.
2, Wall thickness: See whether it is strictly implemented according to the national standard GB/T18742.2-2002, and use caliper standard.
3, Color: Good PPR Pipe village looks white (not all white), the surface is smooth (not smooth), soft feel, no impurities;
4, Transmittance: Good PPR Pipe completely opaque, pseudo PPR pipe light or semi transparent.
5, Voice: High quality Pipe landing sound is more boring, poor pipe landing sound is more crisp.
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