3M 9004A 50 P1 Flat Folded Particulate Respiratory Protection

Fitur :
1. Standar N95 NIOSH
2. Kemasan isi 50 pcs
3. Menyaring partikel debu atau non minyak
4. Tipe P1 untuk menyaring debu dan kabut
5. Desain dua tali yang melingkari kepala dan dapat dilipat
6. Nose foam lembut dan nose clip dapat diatur
7. Cocok digunakan pada dilingkungan berdebu

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Distributor 3M 9004A 50 P1 Flat Folded Particulate Respiratory Protection, Jual Distributor 3M 9004A 50 P1 Flat Folded Particulate 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


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