How to make Masks Quality Inspection?
How to make Masks Quality Inspection? Making masks quality inspection includes lab testing and visual inspection 2 aspects. To make good control of the quality of masks, firstly you must know the categories of masks and the structure of a mask. Actually there are many kinds of categories for masks. Basically it can be categorized by below methods: According to material used, there are cotton mask, PP non-woven mask, active carbon mask, polymers mask etc. For differnt purposes, there are surgical...