Note: D is used to convey highly abrasive materials; L is used to convey moderately abrasive materials.
Safety performance:
project
Flame retardant performance grade
K1
K2
K3
fire duration
The total flame duration of 3 samples with covering layer and 3 samples without covering layer shall not exceed 45S, the single value with covering layer shall not exceed 15S, and the single value without covering layer shall not exceed 20S
The total flame duration of the six coated samples shall not be greater than 45S, and any single value shall not be greater than 15S
The average value of the flame duration of the three coated samples is not more than 60 s
Static conductivity
≤ 3 ×108Ω
Reflammability
The flame shall not reappear on any specimen
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