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English Translations » 信息处理 » Regarding the transparency of PVC pipes

Regarding the transparency of PVC pipes

2009-03-16View Original

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I produce PVC pipes. At first, the pipes were very transparent (it was possible to read the words on the newspaper underneath them clearly through the PVC). But after 1 hour, the pipes became extremely opaque. What could be the reason? Thank you
Reply #22009-03-18
This is due to the crystallization of PVC. Rapid cooling after extrusion can reduce the crystallization process.

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Translated at 2026-07-28 03:18:25

Original: https://bbs.hcbbs.com/thread-417220-1-1.html

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