Shanghai Su Yi Decoration Materials Co.,Ltd.

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I believe that the success of the difficulties in the vicinity

 

      Edge of reason analysis of bubble
 

I. part of the raw material moisture, volatile matter than with PVC edge banding will result in the extrusion foaming process will

II. Insufficient thermal stability of PVC decomposition blistering.

Lack of thermal stability of PVC are several reasons

1 heat stabilizer failure or improper selection

2 less than the amount of heat stabilizer

3 processing temperature setting unreasonable, mainly temperature

4 extruder screw speed too fast

5 recipes mix of internal and external lubrication system or unreasonable amount of

6 The main raw materials such as PVC itself, the stability of the deficiencies. In addition, a reasonable mixture of raw materials processing conditions will greatly reduce the impact of volatile components.