Flame Retardant and Anti-Static
Duration of Visible Flame
K2: The overall persistence of flame of 6 samples with rubber cover should not exceed 45 seconds;
The persistence of flame of any single sample should not exceed 15 seconds.
K3: The average persistence of flame of 3 samples with rubber cover should not exceed 60 seconds.
Anti-Static Surface Resistance ≤ 3×108Ω
Re-Ignition No persistence of after glow for any samples.