3m 7500 series face mask filters

[reb78]

Which filters do you folks recommend for the 7500 series 3M face masks? On this occasion I will be stripping plaster off of a wall, so need good dust protection.

 

[Parm]

A P3 rating is what you need. It affords the highest level of protection for a filtering respirator

 

[reb78]

Thanks for that. So these should do the job? - https://www.3m.co.uk/3M/en_GB/compa...+8720746+8726642+3291184534+3292810744&rt=rud

 

[Parm]

Thanks for that. So these should do the job? - https://www.3m.co.uk/3M/en_GB/compa...+8720746+8726642+3291184534+3292810744&rt=rud

If these fit the mask you’ve got them you should be good to go.

 

[delta9]

Yes those filters will fit a 7500 half mask.
The 'P' stands for Particulate

Theres P2 and P3 filters, P3 offers better particulate filtration than P2.

I use 6035 filters, I also have combination filters for example 6055 for gas/vapour and 5925 or 5935 for particulate protection.

 

[Brad93]

Sorry to hijack.

What filters for a wood recycling plant that crushes up the wood and generates lots of tiny fibres. Like MDF type fibres?

I chucked my speedglas on after while but it blocked the mesh up quite a bit and they filter inside that is not particularly cheap.

I have a fitted 3M half face mask like the OP so that could be a much better shout.

 

[delta9]

Sounds like you got an adflo powered air? great powered air unit, you got a pre-filter on it? Sounds like you just got the spark arrestor mesh and main filter,
the pre filter would prolong the main filters life... you could easily make the pre filters yourself or wash the original ones.

I believe the 6035 is the best particulate filter for just general dusty environments (esp outdoors), as the filter media is encapsulated, also handy to check for air leaks (squeeze these filters and you can feel/detect leaks)

While the half mask offers good respiratory protection, it does nothing to protect the eyes so that's something to take into consideration.

 

[Brad93]

Sounds like you got an adflo powered air? great powered air unit, you got a pre-filter on it? Sounds like you just got the spark arrestor mesh and main filter,
the pre filter would prolong the main filters life... you could easily make the pre filters yourself or wash the original ones.

I believe the 6035 is the best particulate filter for just general dusty environments (esp outdoors), as the filter media is encapsulated, also handy to check for air leaks (squeeze these filters and you can feel/detect leaks)

While the half mask offers good respiratory protection, it does nothing to protect the eyes so that's something to take into consideration.

Yes have a prefilter in there but the particles still get past that.

 

[Parm]

Yes have a prefilter in there but the particles still get past that.

That place sounds like its ultra dusty !!!!

All P3 filters are good for the type of dust you describe. If its that dusty then you probably need to change filters more often

 

[Brad93]

It’s a wood recycling centre. Indoors. Down at tilbury. Feeds the power station with chips of wood.

 

[delta9]

Yeah sounds mega dusty, airflow probably not a good idea in that environment.

How about a 3m full face (6000 series) with 6035 filters, I also got one I use it quite a bit, it uses the same filters as half mask too so that's good.

Or get some tight fitting glasses/goggles with the half mask.

 

[slim_boy_fat]

It’s a wood recycling centre. Indoors. Down at tilbury. Feeds the power station with chips of wood.

What is the level of explosion risk?

 

[Parm]

It’s a wood recycling centre. Indoors. Down at tilbury. Feeds the power station with chips of wood.

If it’s that dusty stick with your powered filtering option. The positive pressure in your breathing zone affords much more protection than any type of device that relies on a tight fitting seal around your nose mouth / face

 

[Parm]

What is the level of explosion risk?

Good question

 

[Brad93]

Good question

No idea. They’ve spent millions with Haas Recycling equipment so I imagine it’s kosher

 

[Brad93]

If it’s that dusty stick with your powered filtering option. The positive pressure in your breathing zone affords much more protection than any type of device that relies on a tight fitting seal around your nose mouth / face

I think I’ll have to get a versaflow. Cos I’m using my speedglas Fx at the minute.

 

[Brad93]

I’ll take a video or pictures next time I’m in there

 

[Parm]

No idea. They’ve spent millions with Haas Recycling equipment so I imagine it’s kosher

Spending money isn’t much of a solution. Recently I went to a huge place that recycles catalytic converters. They contain refractory ceramic fibre, it’s a class 1 carcinogen

None of their so called improvements worked

 

[Brad93]

Spending money isn’t much of a solution. Recently I went to a huge place that recycles catalytic converters. They contain refractory ceramic fibre, it’s a class 1 carcinogen

None of their so called improvements worked

I was surprised none of their guys were wearing masks to be honest.

Perhaps people don’t know how dangerous wood dust is. Particularly when it’s man made or reformed wood.

 

[rory1]

There’s a place a couple of miles from my house that had a catostrophic explosion with wood dust. Nasty stuff. I think I recall @Parm saying he was involved with it somewhere along the lines.