Highly demanding the flame retardant function is a reality?

过高地要求其阻燃机能是否现实公道？

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Polyurethane foam in essence are highly flammable materials, do not make flame retardant processing the oxygen index is only 16.5%.

聚氨酯泡沫本质上属于高度易燃材料，未做阻燃处理时氧指数仅为16.5％。

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In this paper, we have used halogen-free flame retardants for PVA and studied theirs highly flame-retardant efficiency.

本研究针对无卤阻燃聚乙烯醇的高效化研究相关内容开展工作。

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