Processing Machinery
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ABS flame retardant rating selection
Problem Phenomenon
[Problem phenomenon] Flame retardant requirements for electrical parts, ABS flame-retardant grade selection confusion
Cause Analysis
ABS flame-retardant grades cover UL94 HB to V-0: select the rating and thickness according to product standards; halogen-free and halogenated systems coexist; yellow card verification; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Solution
Select UL rating according to product standards; check yellow card thickness correspondence; halogen-free requirements select halogen-free system; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
ABS flame retardancy selected by yellow card, rating and thickness matched; 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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