Material Analysis
6 مشاهدة
Aging/performance attenuation of high impact polystyrene products
ظاهرة المشكلة
Product performance gradually decreases during long-term use or outdoor environments, with discoloration, embrittlement and other phenomena.
تحليل الأسباب
(1) Ultraviolet exposure causes material photo-aging, molecular chain breakage
(2) Thermo-oxidative aging, material oxidative degradation in high-temperature environments
(3) Contact with chemical media causes chemical aging
(4) Long-term stress on products produces fatigue aging
(5) Insufficient weather resistance of the material itself
الحل
(1) Add antioxidants and ultraviolet absorbers
(2) Coat the product surface with protective coating
(3) Avoid long-term exposure to ultraviolet and high-temperature environments
(4) Select material grades with good weather resistance
(5) Regularly check product condition
الخلاصة الأساسية
Product aging is caused by environmental factors; adding stabilizers and surface protection are key.
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