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July 19, 2017

Normally, the injection process refers to the plasticizing stage and the injection molding stage.Whether the injection is appropriate, affecting the appearance of the final product, performance and so on.. Here will be some attention points of the two stages of the pla...

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...