1.Appearance
2.GSM check of each layers
3.Smell test
4.Function test(Application/wear check)
5.Internal check (layers + meltblown fabric)
6.Fire test: the meltblown fabric is fireproof
7.Waterproof: the meltblown is waterproof
8.Electrostatic adsorption test: the masks with meltblown fabric inside will attract small pieces of paper
9.Meltblown fabric Light transmission test
10.Breath test with a mask
11.Elastic pull test for earloop/seam
12.Filter test when facility available
13.Product size/weight check
14.Carton drop test
