缠绕线圈的玻璃纤维等绝缘材料具有自熄特性，不会因短路产生电弧，高热下树脂不会产生有毒有害气体。
Wound coil of glass fiber insulation material with self-extinguishing properties, will not short circuit arcing, heat of the resin will produce toxic or harmful gases.
燃烧试验表明，该产物具有难燃、易自熄、不产生浓烟和熔滴等特性。
Combustion test indicated that the product had properties of flame retardant and could be easy to extinguish without smoke or melting drops.
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