Processing Machinery
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ASA Automotive Exterior Parts Application
Problem Phenomenon
【Problem Phenomenon】Material selection for automotive grilles, rearview mirror housings, and spoilers requires both weather resistance and appearance
Cause Analysis
ASA is weather resistant and UV resistant with good surface gloss, can be used outdoors long-term without painting; automotive exterior is ASA's most mature market, widely adopted by mainstream car manufacturers; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Solution
Exterior parts choose ASA high-gloss or leather-grain grades; compare full life-cycle cost with painted ABS; verify according to OEM weather resistance standards; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ASA is standard for automotive exterior, paint-free weather resistance is the core value; 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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