1. The moisture resistance of the surface
The water-touching level on the surface shall not be lower than the requirements of level 3 in GB/T 4745-1997.
2. Breaking strength
The breaking strength of the protective coverall sample shall be no less than 45N.
3. Elongation at break
The elongation at break of the protective coverall sample should not be less than 30%.
4. Filtration efficiency
The filtration efficiency of the protective coverall for non-oily particles should not be less than 70%.
5. Flame retardant performance
The protective coverall with flame retardant performance shall meet the requirements of class B2 in GB 17591-1998.
6. Anti-static performance
The carried static electricity of the protective cover should be less than 0.6uC.
7. Skin irritation
The protective coverall materials should have no skin irritation.
8. Microbial indicators
The protective coveralls meet the requirements on microbial specified in GB 15979-2002.
The protective coveralls are marked with "sterilized" or "sterile" illustrated on the package.
