Extrusion & Post
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ASA ASA/PMMA High Gloss Application
Problem Phenomenon
【Problem Phenomenon】Need piano lacquer effect but PMMA is too brittle and ASA gloss is insufficient
Cause Analysis
ASA/PMMA alloy or co-extrusion combines PMMA's high gloss and hardness with ASA's toughness and weather resistance; high-gloss paint-free applications are wide; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Solution
High-gloss paint-free choose ASA/PMMA; surface hardness and toughness balance verification; processing prevents PMMA layer silver streaks; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ASA/PMMA produces piano lacquer effect, toughness and gloss both obtained; 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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