Material Analysis
7 görüntüleme
ASA recycled material blending accelerates aging
Sorun Belirtisi
After ASA products are blended with recycled sprue material, outdoor aging speed accelerates, color retention period shortens, and blending ratio is positively correlated with aging rate.
Neden Analizi
Recycled material has partially degraded rubber phase after thermal history, and weathering reserve is consumed; material reused multiple times has aging performance decaying successively; recycled material impurities become photo-aging catalytic points.
Çözüm
①Limit recycled material blending ratio for outdoor weathering parts; ②recycled material managed in grades according to reuse times; ③blended material products undergo aging comparison verification; ④high-requirement parts use all-new material.
Temel Çıkarım
There is a clear trade-off between the economy and weathering resistance of ASA recycled material; thermal history consumes outdoor life; blending recycled material is not recommended for high-requirement outdoor parts.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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