N95 Particulate Filtering Face Piece Respirators

By Author: Andrew Chuter
Total Articles: 5
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The recent crisis of Swine flu that barged in on us led many people search for protective measures that can prevent them from airborne particles and hence elude from the disease. Then a buzz about the word for surgical N95 mask as a 3M respirator which was cleared by Food and Drug Administration (FDA) as a surgical mask and certified by National Institute for Occupational Safety and Health (NIOSH) having a capacity to filter up to 95% of the airborne particles was there.



A device protecting the wearer from inhaling harmful fumes, gases, vapours and dust is called a respirator mask. With broadly classified into two categories as an air purifying respirator, which passes the contaminated air through a filtering material and the air supplies respirator, which has an alternate supply of fresh air into it. Most simple and one time use respirator masks are known as N95 mask.Supply Line Direct is the safety equipment and maintenance supply division of NCH Corporation. Customers can find a range of safety supply products that protect employees from head to toe. Source hard hats, hearing protection, and safety ...
... glasses from the leading manufacturers that are stylish, comfortable, and compliant. They are called so because they have a capacity to keep 95% of the airborne particles from being inhaled. Respirators 3M are among the popular ones too as they are developed by one of the oldest manufacturers of respirator mask. To be very specific about what N95 mask is, the term N95 is defined by NIOSH under respiratory protection approval regulation (42 CFR 84: part 84 of title 42 of the Code of Federal Regulations) to refer to a filter class. There are in all nine classes of filtering respirator mask at this time and 95% is minimum level of filtration approved by NIOSH; viz. N95, N99, N100 (Not resistant to Oil); R95, R99, R100 (Somewhat resistant to Oil); P95, P99, P100 (Strongly resistant to Oil).



The term 95, 99, 100 refers to 95%, 99%, 99.7% filtration respectively. Usually, all the respirators masks are approved by the NIOSH and have followed markings on them: Manufacturer’s name, the part number (P/R/N), Protection provided by the filter (e.g. N95, R99.) and NIOSH with its logo. And some may even have approval number of the NIOSH as an additional marking for identification. These certified models can be checked on NIOSH. Generally, this kind of filter remove the particles by using certain waxes, resins, and plastics as coatings on the filter material to attract particles with an electrostatic charge that holds them on the surface of the filter material or by using gravity which allows the particles to settle in the filter material.



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