Its limiting oxygen index (LOI) value was over 50, which further promoted its flame retardant effect and its value for practical USES.

限氧指数值高达50以上，进一步提高了阻燃效果及其实用价值。

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Its limiting oxygen index (LOI) value was over 50, which further promoted its flame retard...

限氧指数值高达50以上，进一步提高了阻燃效果及其实用价值。

youdao