Blow Molding
12 görüntüleme
ASA vs ABS Weather Resistance Comparison
Sorun Belirtisi
【Problem Phenomenon】ABS used for outdoor parts yellows and embrittles within one year, evaluating the necessity of ASA substitution
Neden Analizi
The double bonds of ABS butadiene rubber are easily attacked by UV, oxidized and yellowed; ASA uses acrylate rubber without double bonds, weather resistance is essentially improved; in outdoor long-term exposure scenarios ASA is a direct upgrade of ABS
Çözüm
Outdoor parts preferably choose ASA without painting; indoor parts can still choose ABS from cost consideration; existing ABS outdoor parts evaluate the ASA substitution cycle; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
ABS outdoor yellowing is a structural destiny, ASA acrylate rubber is the solution; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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