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December 5, 2017

The thermal stability and light resistance of PVC are poor. The decomposition of
hydrogen chloride at 140 degrees centigrade, so the choice of coloring agent can not
have a adverse reaction. In addition, the influence of pigment on PVC is reflected in
whether pigment i...

July 17, 2017

PVC calendering transparent sheet is one of the main varieties of hard PVC. It is usually produced by conical twin-screw extruder. The problems encountered in the process of production are: bubbles,crystal spots, yellow color of sheet material and so on. I according to...

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The role of the three functional zones of the PVC extruder

March 18, 2019

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