本项目是在前期工作的基础上，首次在国内采用自行研制的ＦＦＡ－２型离子交换纤维滤料开发出一种可有效滤除氟化物尘毒和其它酸性气体的新型个体呼吸性防护面具，可有效地用于上述尘毒污染环境中的工人劳动安全与健康保护。离子交换纤维型气体净化过滤材料是一类近年来发... This project is based on the previous work, for the first time in the country using its own research and development of FFA-2-type ion exchange fiber filter to develop a filter can effectively filter out fluoride dust and other sour gas new personal respiratory protective mask, Which can be effectively used for labor safety and health protection of workers in the dust-polluted environment. Ion-exchange fiber-type gas purification filter material is a class in recent years ...