Material Analysis
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ABAK thermal stability
Problem Phenomenon
ABAK thermal stability changes with butadiene content; processing and use temperature management.
Cause Analysis
ABAK thermal stability increases as the butadiene content in ABS decreases; but it is lower than pure PA in all cases; upper limit of processing temperature; long-term use temperature; aging performance.
Solution
①Butadiene content selection; ②processing temperature control; ③use temperature evaluation; ④aging testing; ⑤grade matching.；after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ABAK thermal stability is a function of the formula; temperature management ensures performance; testing verifies the long term.；after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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