Production & Quality
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DSTDP stress cracking
Problembeschreibung
DSTDP product cracks under stress + chemical action in <100h
Ursachenanalyse
Under stress, DSTDP molecular chains are attacked accelerated by chemicals; environmental stress cracking is a typical failure mode of polyolefins
Lösung
1) Reduce product internal stress, annealing treatment; 2) select high molecular weight DSTDP to improve ESC resistance; 3) avoid contact with aggressive chemicals
Wichtigste Erkenntnis
Stress cracking is caused by stress-accelerated chemical attack; annealing and high MW are key
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