Processing Machinery
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ASA Low-Temperature Application Scenarios
Problem Phenomenon
【Problem Phenomenon】Outdoor parts in cold regions crack brittle in winter, material low-temperature toughness insufficient
Cause Analysis
ASA glass transition temperature is about 97-100℃, low-temperature toughness is better than most styrenics; outdoor parts in cold regions still need low-temperature impact verification; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Solution
Cold region parts choose ASA and do -30℃ impact verification; structure rounded; toughened grades cover extreme cold; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ASA low-temperature toughness is above average, cold region parts can be used with confidence after verification; 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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