Material Analysis
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LDPE Film Aging Yellowing
Problembeschreibung
The film in stock turns yellow and becomes brittle.
Ursachenanalyse
After the LDPE antioxidant system is exhausted, oxidative degradation occurs; light exposure and high-temperature storage accelerate it.
Lösung
①Evaluate the antioxidant system; ②Store away from light in a cool place; ③First in, first out; ④Add anti-UV for outdoor use.
Wichtigste Erkenntnis
Yellowing = oxidative aging; manage storage well.
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