Processing Machinery
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PPS product flame retardant characteristics
Problem Phenomenon
Flame retardant requirement applications.
Cause Analysis
PPS has inherent flame retardancy (UL94 V-0); but modified formulations may affect it.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Confirm the flame retardant grade of the grade; ②test according to standards; ③evaluate additive effects; ④maintain batch consistency.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPS flame retardancy is an inherent advantage; formulation changes require re-verification.; After confirming effectiveness, solidify 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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