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April 26, 2019

Method for eliminating flashing of PVC products

1. The cause of the flash
1-1 mold parting surface (PL) sliding surface does not match. 1-2 Injection pressure is too high; 1-3 Injection machine offset; 1-4 Locking force is insufficient


2. Associated knowledge
2-1 Par...

April 15, 2019

Performance comparison between PVC-M pipe and PVC-U pipe

PVC-M pipe has obvious advantages over PVC-U pipe in terms of safety, convenience and economy. It can effectively resist point load and uneven settlement of foundation, reduce the demanding requirements of constru...

April 12, 2019

Analysis and solution of the causes of warpage deformation of injection molding products

The deformation, bending and twisting of the product a