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What kind of colloid can dissolve in coal tar to give it elasticity after it dries?

2009-09-01View Original

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What kind of colloid can be dissolved in coal tar to give it elasticity after it dries? Those who work with polyurethanes cannot use polyethers
Reply #22009-09-01
By dissolving PVC in heated coal tar, good flexibility and elongation can be achieved, or ethylene glycol can be added. Alternatively, substances that can replace polyethers are resins such as 801 glue or 6501 glue

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Translated at 2026-07-26 21:13:41

Original: https://bbs.hcbbs.com/thread-535767-1-1.html

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