自吸过滤式口罩的相关标准及存在的差异

Standards of Self-inhalation Filter Respirator and Different Aspects between Them

介绍了关于自吸过滤式口罩的两套国家标准,论述了标准中规定的具体内容,指出两套标准在口罩的阻尘效率测试方法和试验粉尘的选取中存在的差异,并对差异进行了分析讨论,从而得出以下结论:测试方法和试验物质也要实现标准化,这样结果才具有可比性,以便用于规范市场。

This paper elaborated two nation standards of self-inhalation filter respirator. Pointed out different affects between them, that is, method of testing dust collection efficiency and choice of testing dust, and analysed the difference in detail. Came to the conclusion that ：Testing method and material must be standardized in order that the result could be compared each other, at the same time market could be normalized.