AS/NZS 1716-2012 Class P1 Yes Rating of respirators produced by filtration machinery Particles, such as from crushing, grinding, sawing and grinding.
Australia/New Zealand 1716-2012 Grade P2 is the grade of respirator used for filtration Particles generated by machinery and heat, such as welding fume. these It is also recommended to use in some applications to counter some Airborne particles of infectious organisms.
Light soldering, tin soldering
Casting operation
Some infectious aerosols
Diesel particulate material
Sanding, grinding, cutting, drilling
Plastering, rendering, digging
Use powder or dust