Particulate filters for respirators offer protection against particles such as dust, smoke and aerosols. They are available in 3 protection levels – P1, P2 and P3. These levels are standardised across Europe according to EN 143:2000 + A1:2006.

2020年3月24日 · What is P2 Rating? P2 is a respiratory filter rating under the AS/NZS1716 standards for use in Australia and New Zealand. Protects against mechanically and thermally generated particles. Filtration rate: Filters at least 94% of airborne particles

For particle filters, the filter class clearly indicates how efficiently particles are filtered from the ambient air: P1 / FFP1: 80% P2 / FFP2: 94% P3 / FFP3: 99.9%

2024年1月9日 · P2 - Filters out ~94% of mechanically and thermally generated particles and biohazards such as viruses. When performance tested, it must be at least 94% efficient at keeping out the most penetrating particle size (~0.3 to 0.6 microns). P3 - Filters out ~99.95% of mechanically and thermally generated particles.

There are three classes of particulate filter, P1: low eficiency, P2: medium eficiency and P3: high eficiency. Since the relative performance difference between these filters is rather large, it is very important that the correct filter class is chosen for any given application. Gas/vapour or combination filters.

Based on this comparison, it is reasonable to consider China KN95, AS/NZ P2, Korea 1st Class, and Japan DS FFRs as “equivalent” to US NIOSH N95 and European FFP2 respirators, for filtering non-oil-based particles such as those resulting from wildfires, PM 2.5 air pollution, volcanic eruptions, or bioaerosols (e.g. viruses).

2021年5月24日 · In general, users of respiratory filters replace their filters after 40 hours of use. You can replace your respiratory filters when you feel uncomfortable and tough to breathe through them. If the job is more dusty than usual, then users of …

3M™ Bayonet Particulate Filters are CE approved and conveniently provide protection against a wide range of dusts, mists and other particulates. They have a bayonet-style connection that fits any 3M™ Bayonet Reusable Respirator offering low breathing resistance and good balance with a slim, swept back profile, designed to optimise your ...

This range of 3M™ gas & combination filters can be used on 6000, 7000 and 7500 Series half masks and full face masks. Lightweight, with low breathing resistance, the filters are applicable for use in a range of gas/vapour environments.

P2 Filters: These filters are more robust and thus capable of filtering out approximately 94% of the mechanically and thermally generated particles, including fine dust, mist, and virus-like materials that are biohazardous. P2 masks should have minimum 94% efficiency for the most penetrating particle size range (~0.3 to 0.6 microns).