阻燃英文翻译

阻燃等级 应该是【flame retardant rating】

阻燃性: flame retardancy ,或者fire retardency同时，阻燃性就是要“防火”的意思，一般情况下没有必要说得太专业。防火：fireproof（形容词），fireproof（名词)Currently, some states of America has put forward some imperative standard of fireproofing/flame retardancy/fire retardency.

flame retardance 或者 fire resistance