标准摘要
[中文适用范围]： 过滤器根据其孔径指数分为指定的八个等级之一。 本标准适用于玻璃、石英玻璃、陶瓷、金属和塑料材料制成的实验室过滤器。 附录A规定了孔径指数的测定方法。 附件 B 和 C 涉及评估过滤器均匀性和确定透气性的程序。 [外文原描述]： Filters are graded according to their pore size index in one of the eight classes specified. This is applicable to laboratory filters made of glass, vitreous silica, ceramics, metals and plastic materials. Annex A specifies a method for determination of pore size index. Annex B and C concern with a procedure for assessing uniformity of filters and for determination of air permeability.
英文名称Laboratory sintered (fritted) filters — Porosity grading, classification and designation