Flame retardants, decabromodiphenyl ethane(DBDPE), brominated polystyrene(BPS), tetrabromophthalic anhydride DIOL(TBPA DIOL), 3-bromo-2, 2-BIS(bromomethyl)propanol(tbnpa), br-SBS(emerald 3000), tetrabromophthalic anhydride(TBPA), tris(tribromoneopentyl)phosphate(FR-370), 1, 2-BIS(tetrabromophthalimido)ethane(equal to BT-93w), 1, 1'-(isopropylidene)BIS[3, 5-dibromo-4-(2, 3-dibromo-2-methylpropoxy)benzene](RK-972 equivalent to SR-130).