Please notice this misknowledge about dust mask
www.baidu.com
2016-08-02 14:41:02
Experts point out that dust masks belong to special labor protection products, countries have specialized their quality standards. Gauze masks to harm the body's largest five microns dust, dust resistance efficiency is only about ten percent, a result spent the money, it failed to play a role to prevent dust hazards. After the dust is electrostatic capture the superfine fiber cloth, very difficult to clean because disengaged, and water will be destroyed electrostatic suction capacity, therefore, non-woven masks are not cleaned, need to be discarded after use. Dust masks have some filtering volume than its filtering capabilities, it is not dust-proof, and no right to wear a dust mask and not dust.
