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Polypropylene (PP) extruded foam case

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Polypropylene (PP) extruded foam case

Taking homopolypropene as the base material, two kinds of foaming agent of our company were added respectively to extruded free foaming, and the adding ratio of foaming agent was 2.5%.

Haozhi foaming agent The processing temperature(℃) The density of foam(g/cm³)
1 area 2 area 3 area 4 area 5 area 6 area 7 area Opening mould
No. 1 175 180 200 215 215 190 190 170 0.66
No. 2 175 200 220 240 230 200 190 170 0.64


Bubble hole section:

Free foaming agent to squeeze out a bubble hole section 1: bubble hole diameter is about: 70-150 microns


1


No. 2 foaming agent free extrusion bubble hole section: bubble hole diameter is about: 50--100 m


2

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