At present, China's silicone dust mask adopts various quality requirements of the latest standards and is consistent with the current international American standards. The new standard divides the protection Elo rating system of Dust mask (preventing non oily particles) into three categories: N100 (the dust prevention rate is more than 99.97%), N95 (more than 95%), and N90 (more than 90%); In case of high dust, positive pressure respirator (with air supply pipe or Oxygen tank) or half mask shall be used if conditions permit.

The main uses of silicone dust masks are:

1. Personal protective equipment designed to prevent or reduce the entry of airborne dust into the respiratory organs of the human body, thereby protecting life safety;

2. Material: most of the current Dust mask are made of two layers of non-woven fabric inside and outside, and a layer of filter cloth (melt blown fabric) in the middle;

3. Filtering principle: Filtering fine dust mainly relies on the filter cloth in the middle. Due to the inherent static characteristics of the melt blown cloth, it can adsorb actively small particles. Since the fine dust is adsorbed on the filter cloth, and the filter cloth cannot be washed with static electricity, Dust mask are disposable.

4. Note: The international requirements for the use of dust masks are quite strict. Dust mask belong to the first level in personal protective equipment, higher than ear muffs and goggles. The authoritative testing certifications include European CE certification and American NIOSH certification.

What are the functions of silicone dust masks?

Mainly used in working environments containing low concentrations of harmful gases and vapors. The filter box only contains adsorbents or adsorbents. Some filter boxes also have a filter layer that can simultaneously prevent aerosols. Some military anti gas masks are mainly made of activated carbon cloth, or use water and oil resistant fabric as the outer layer, glass fiber filter material as the inner layer, and polyurethane foam impregnated with activated carbon as the bottom layer, which can provide temporary protection in case of sudden attack of toxic gas.