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2024-08-29 05:50:41 -

Key points of anti-uv pet bottle packaging injection molding process

PET chemical name polyterephthalate ethanol ester, also known as polyester. At present, GF-PET is used more in customers, mainly for bottling embryos. The rheology of PET in the molten state is better, and the influence of pressure on viscosity is greater than that of temperature, so the flow of melt is mainly changed from pressure. 1, plastic treatment Since PET macromolecules contain lipid...

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