Reference data of matched materials are as follows: | ||
1. SS dark non-woven fabrics-usded by outer layer | ||
Material weight : | 25g/square | |
Remark : | Only blue | |
2.White melt - sprayed non - woven by filter layer | ||
Material weight | 22g/square | |
Remark : | filter index 95%ï¼99.99% | |
3.SS light or white non-woven fabrics-used by inner layer | ||
Material weight : | 25g/square | |
4.Nose bar | ||
Length: | 100MM/pcs | |
Remark: | made by plastic with iron e more straight. | |
5.Elastic ear belt: | ||
Length: | 300MM/pcs |