Molding Process
5 görüntüleme
HDPE product low-temperature brittle cracking
Sorun Belirtisi
HDPE products crack when used in winter.
Neden Analizi
HDPE has high crystallinity and reduced low-temperature toughness; notch-sensitive, sharp corners easily crack at low temperature.
Çözüm
①Select high-impact grades for low-temperature applications; ②eliminate sharp corners in the structure; ③conduct low-temperature drop verification; ④avoid large deformation assembly at low temperature.
Temel Çıkarım
Low-temperature applications: grade selection + rounded corners as double insurance.
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