3M 8812 P1 Dust and Mist Valved Respiratory Protection
1. Standar AS/NZ P series
2. Menyaring partikel debu atau non minyak
3. Desain dua tali yang melingkari kepala
4. Respirator tipe P2 memiliki filterasi 80%
5. Maksimum level penggunaan 12x TLV
6. Nose foam lembut dan nose clip dapat diatur
7. Teknologi cool flow valve untuk memudahkan bernafas lebih nyaman
Distributor 3M 8812 P1 Dust and Mist Valved Respiratory Protection, Jual 3M 8812 P1 Dust and Mist Valved Respiratory Protection
Class of Filtration P1
P1 – retain about 80% of particles smaller than 2 micrometers. The half-masks are used to protect against atomised small-sized solid particles, such as dusts, smokes, mists (do not protect against gases). The protective half-masks, made of fabric, are classified into three filtration effectiveness classes: The protective half-masks of the P1, P2, P3 classes are tested in accordance with the requirements of the standard PN-EN 149:2001.
Maximum concentration level of pollutants (MCL) 4 x NDS
Filtration efficiency 80%
Kind of aerosol dust, smoke, mist
Purpose Class P1 :
agricultural and food industry, application in building sector, quarries, cement works, in the wood industry for soft woodworking; protects against dusts such as calcium carbonate, natural and synthetic graphite, gypsum, chalk, cement, plaster, marble, zinc oxide, plant pollens, cellulose, sulphur, cotton, ferrous metal filings, coal dust containing less than 10% of free silica.
The half-masks increase inhalation resistance. The longer they are used, the more difficult it is to breathe due to absorbed dusts. Furthermore, their effectiveness is reduced accordingly to the growth of carbon dioxide and water vapour between the half-mask bowl and face (so-called dead zone). The carbon dioxide concentration within the dead zone increases after every exhalation. The masks should be therefore often changed. The non-return exhalation valves, accelerating gas circulations, are used in order to improve the comfort of use.