PU adhesive has yellowed

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PU adhesive has yellowed

作者:霸力树脂发表时间:2019-11-07 10:24:57浏览量:0

Possible cause: insufficient yellow resistance grade of curing agent. Too much curing agent added!
Solutions: reduce the amount of curing agent, PU glue can choose yellow resistant curing agent, finished shoes with cleaning agent.


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