Material Analysis
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ABS burnt material factors
Problem Phenomenon
ABS burnt material factors, high recycled material ratio, mixed material impurities, thermal stability decline.
Cause Analysis
ABS burnt material factors; recycled material processed multiple times at high temperature causes molecular structure breakage and heat resistance decline; improper blending ratio; excessive mixed material impurities; color masterbatch and additives with insufficient temperature resistance decompose and blacken.
Solution
①Recycled material ratio control; ②mixed material impurity management; ③color masterbatch and additive temperature resistance; ④thermal stability evaluation; ⑤material inspection.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The material factors of ABS burnt are the prevention focus; recycling and mixed material management; inspection ensures raw material quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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