Material Drying
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ABS recycled material 20% upper limit
Problem Phenomenon
ABS recycled material exceeding 20% causes impact strength decline and color shift, ratio control.
Cause Analysis
ABS recycled material addition ratio 20% upper limit; exceeding the ratio causes impact strength decline; color shift; crushing and drying; contamination prevention and control; performance verification.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Solution
①Recycled material ≤20%; ②crushing and drying; ③contamination prevention and control; ④performance testing; ⑤color management.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The 20% upper limit of ABS recycled material is performance assurance; crushing, drying and prevention and control both emphasized; verification ensures quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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