Although there are many indices for evaluating flame retardance, we use the “UL-94 VTM method” and “oxygen index”.
UL-94 (VTM method: thin material test)
The scale for flame retardance is as follows. Good: VTM-0 > VTM-1 > VTM-2 > failure: Poor.
Oxygen index(%)=O／(O +N )×100
TARDON is highly flame resistant, and does not catch fire even when exposed to a gas burner.
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