Processing Machinery
5 görüntüleme
ASA Chemical Resistance Boundary
Sorun Belirtisi
【Problem Phenomenon】ASA parts lose gloss and swell on the surface after contacting certain chemicals
Neden Analizi
ASA resists general acids, alkalis, salts and cleaning agents, but ketones, esters and aromatics erode it; material selection ignoring medium boundaries leads to appearance and strength loss; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Çözüm
Check the use environment against the medium list; ketone, ester and aromatic occasions change selection or verify; contact parts do immersion test; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
ASA chemical resistance has boundaries, verify first in ketone, ester and aromatic occasions; 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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