Production & Quality
5 görüntüleme
HDPE product ESCR stress cracking
Sorun Belirtisi
HDPE containers crack after holding detergents and oils for a period of time.
Neden Analizi
HDPE is prone to environmental stress cracking in media such as surfactants; it starts first at areas with high internal stress, and the ESCR resistance of grades varies greatly.
Çözüm
①Select ESCR-resistant grades according to the medium (high MFR control/comonomer modification); ②reduce product internal stress; ③conduct medium immersion verification; ④avoid sharp corners and interference fit assembly.
Temel Çıkarım
HDPE holding chemicals, ESCR verification cannot be skipped.
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