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September 5, 2019

How to make pvc compound formula for pvc pipes


Pipe is one of the main products processed by extrusion molding.

The outstanding advantages of PVC plastic pipe: the relative density is small, equivalent to 1/4-1/7 of metal; the electrical insulation performance and chemi...

September 4, 2019

4 stages determine the quality of injection molded products
 

The injection molding process of plastic parts mainly includes four stages of filling - holding pressure - cooling - demoulding. These four stages are a complete continuous process, which directly determines...

September 2, 2019

Several factors affecting the brightness of cable pvc compound materials
 

The PVC cable material is a granule prepared by adding a stabilizer such as a stabilizer, a whitening agent, a plasticizer, an inorganic filler such as calcium carbonate, an auxiliary agent and a...

September 2, 2019

Why does the color of plastic products change insensibly?
 

When coloring plastic products by means of toner or masterbatch, color change may occur, which may affect product quality. Possible causes of discoloration:


(1) oxidative degradation of the matrix resin during...

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The role of the three functional zones of the PVC extruder

March 18, 2019

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