3M? 8511 N95 Particulate Respirator Masks with Cool Flow? Valve ? NIOSH Approved ? Case of 80 ? MFG# 7000002056
3M? Particulate Respirator 8511, N95
Distributor: eGrimesDirect
Part Number: 8511
SAP ID: 7000002056
Legacy SKU: 70070757557
Local Catalog ID: 8511
Product Number: 54343
Overview
The 3M? 8511 is a NIOSH-approved N95 particulate respirator designed for heavy-duty industrial use
It combines advanced electret filter media with a patented Cool Flow? exhalation valve to maintain high filtration efficiency (? 95 percent at 0.3 ?m) while reducing breathing resistance and interior heat build-up
Its rigid cup-style shell and adjustable noseclip ensure a secure seal and shape retention, making it suitable for extended wear in hot, humid, or dusty environments.
Key Features
NIOSH N95 Certified (42 CFR 84)
Cool Flow? Exhalation Valve
One-way polyisoprene valve for effortless exhalation and a cooler, drier interior
Advanced Electret Media
Permanently charged polypropylene fibers for consistent ? 95 percent filtration efficiency
Cup-Style Shell
Rigid non-woven polyester/polypropylene construction for shape retention and durability
Adjustable M-Noseclip
Malleable aluminum for a custom fit and reduced eyewear fogging
Braided Comfort Straps
Dual elastic polyisoprene, staple-attached for consistent tension (latex-free)
Shelf Life
Five years when stored between ?20 ?C and 30 ?C at less than 80 percent relative humidity
Maintenance Free
No additional filters or cartridges required
Technical Specifications
Attribute Detail
Filter Class N95 (non-oil)
Filtration Efficiency ? 95 percent at 0.3 ?m
Filter Media Melt-blown electret polypropylene
Inhalation Resistance ? 35 mm H?O @ 85 L/min
Exhalation Resistance ? 25 mm H?O @ 85 L/min (valved)
Valve Housing Polypropylene
Valve Flap Polyisoprene
Shell Material Non-woven polyester and polypropylene
Headbands Braided elastic polyisoprene
Nose Clip Malleable aluminum
Temperature Reduction Approximately 4 ?C cooler vs non-valved
Shelf Life Five years
Certifications NIOSH 42 CFR 84
OSHA compliant
Filtration Technology
Utilizes a combination of inertial impaction, interception and diffusion to capture particles across a broad size range
Electret fibers carry a permanent electrostatic charge to enhance submicron particle attraction
Cake-resistant outer layers help delay filter clogging and extend usable life
Cool Flow? Valve Mechanics
One-way polyisoprene flap opens under minimal exhalation pressure
Rapid expulsion of warm, moist exhaled air to reduce heat and humidity inside the mask
Minimizes carbon dioxide buildup in the dead air space
Valve remains sealed on inhalation to maintain N95 inward protection
Usage & Maintenance
Pre-Use Inspection
Check mask for damage, deformation or missing components before each use
Donning
Cup the respirator under the chin with the noseclip at the top
Pull the braided straps over the head?upper strap to crown, lower strap to neck
Mold the M-noseclip around the bridge of the nose for a snug fit
Seal Checks
Positive Check: Exhale sharply
ensure no leaks around the seal
Negative Check: Inhale sharply
mask should collapse slightly if sealed properly
Single-Shift Use
Dispose after one shift or sooner if breathing resistance increases or the mask is damaged
Storage
Keep in original packaging, away from direct sunlight, extreme temperatures and high humidity
Note: Not intended for oil-based aerosols
Always follow your organization?s respiratory protection program requirements for training, fit testing and medical evaluation.