Material Analysis
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Flame retardant rating of modified polyamide 12 (long carbon chain nylon) not up to standard
Problem Phenomenon
The flame retardant rating of modified polyamide 12 (long carbon chain nylon) is not up to standard, and the vertical burning or horizontal burning test fails to pass the target rating
Cause Analysis
（1）The flame retardant addition amount is insufficient
（2）The flame retardant has poor compatibility with polyamide 12 (long carbon chain nylon) and the dispersion is uneven
（3）The flame retardant decomposes and fails at the processing temperature
（4）Improper flame retardant system design
（5）The processing temperature is too high and the flame retardant degrades
Solution
（1）Increase the flame retardant addition amount
（2）Select a flame retardant with good compatibility
（3）Select a flame retardant that is stable within the processing temperature range
（4）Optimize the flame retardant system design
（5）Control the processing temperature to avoid flame retardant degradation
Key Takeaway
Flame retardancy needs to be addressed from the addition amount, compatibility, and system design
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