How can I prepare PVC/NBR foam?

03 December 2015 1 4K Report

Suitable accelerator and fillers. What is the procedure of the blending and heating the ingredients?

I would suggest obtain your material in 2 stages:

1. Blending PVC and NBR - the best would be extrusion at elevated Temperature.

When blending you are supposed to add the foaming agent - such that its decomposition temperature be lower than the blending temperature.

2. 2nd stage - hot-pressing at temperature slightly exceeding the temperature of decomposition of the foaming agent.

And that is all - you need.

Best Regards,

Leonid

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