Extrusion & Post
12 görüntüleme
SMMA UV Resistance
Sorun Belirtisi
SMMA UV resistance is poor, outdoor applications need protection.
Neden Analizi
SMMA UV resistance effect is poor; yellowing in outdoor applications; but better than PS; protective coating; grade selection; application assessment.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Çözüm
①Outdoor application assessment; ②protective coating; ③UV-resistant grades; ④accelerated aging test; ⑤life management.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
SMMA poor UV resistance is an application boundary; protection and grade are equally important; testing keeps outdoor life.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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