Molding Process
6 مشاهدة
Stress cracking of PMMA products
ظاهرة المشكلة
Silver streak-like cracks appear in products during use.
تحليل الأسباب
PMMA is brittle and stress-sensitive, molding internal stress is large, and silver streaks and cracking occur when contacting solvents or subjected to external force.
الحل
Increase mold temperature 70-90°C; annealing treatment 80-90°C/2-4h; avoid contact with solvents.
الخلاصة الأساسية
PMMA stress cracking is the core issue of application safety.
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