How to Increase the Density of Plastics?

Increasing the density of plastics is a method to increase the relative density of raw resin, mainly by adding heavy filler and blending heavy resin.

1 Adding heavy filler

(1) Metal powder

(2) heavy mineral filler

2 Blend heavy resin

This method is relatively small, generally the highest can only reach about 50%. It is mainly suitable for some light resins such as PE, PP, PS, EVA, PA1010 and PPO, etc. The heavy resins often added include: PTFE, FEP, PPS, POM and so on.

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