The Multi-Purpose Reusable Respirator is a dual-filter elastomeric half-mask engineered to accommodate interchangeable bayonet-mount chemical cartridges and particulate filters for industrial respiratory protection. Molded from medical-grade thermoplastic elastomer, this facepiece maintains structural stability and seal compliance across hazardous operating environments.
Key Features
Universal Bayonet Interface
Twin-bayonet connection ports designed to lock compatible filter cartridges securely with an audible tactile click.
Dual Inhalation Valves
Low-resistance silicone valve diaphragms configured to reduce inhalation effort and limit moisture accumulation during extended shifts.
Contoured Face Seal
Engineered edge geometry designed to conform to diverse facial profiles and maintain airtight integrity under movement.
4-Point Head Harness
Adjustable woven strap assembly connected to a rigid crown cradle to distribute tension evenly across the head.
Downward Exhalation Vent
Directs exhaled breath downward to prevent fogging when worn in combination with safety glasses or face shields.
Design & Components
Facepiece Body
Medical-grade Thermoplastic Elastomer (TPE) resistant to industrial cleaning agents and facial oils.
Valve Diaphragms
High-flexibility silicone material providing rapid response to breath cycles.
Bayonet Lugs
Rigid molded side-ports engineered for repetitive filter attachment and detachment cycles.
Harness Assembly
High-elasticity polyester straps paired with a durable polypropylene crown distribution plate.
Pre-Filter Retainer
Snap-fit polypropylene covers designed to hold particulate filter pads over gas cartridges.
Technical Specifications
|
Parameter |
Specification |
Standard Reference |
|
Respirator Type |
Twin-Filter Half Mask |
EN 140:1998 |
|
Body Material |
Hypoallergenic TPE |
ISO 10993 Biocompatibility |
|
Connection System |
Dual-Bayonet Mount |
Standard Bayonet Interface |
|
Inward Leakage Rate |
Less than 1.5% |
EN 140 Test Method |
|
Inhalation Resistance (30 L/min) |
40 Pa |
EN 140 Clause 7.12 |
|
Inhalation Resistance (95 L/min) |
120 Pa |
EN 140 Clause 7.12 |
|
Exhalation Resistance (160 L/min) |
180 Pa |
EN 140 Clause 7.12 |
|
Weight (Without Filters) |
125 g |
Laboratory Scale |
|
Operating Temperature |
-10°C to +55°C |
Climate Chamber Testing |
|
Shelf Life |
5 Years |
Sealed Original Packaging |
Applications & Limitations
Recommended Applications
- Chemical Handling: Protection against organic vapors, solvents, and liquid mists during fluid transfer and vessel maintenance.
- Surface Coating: Spray painting, lacquer application, and epoxy resin processing operations.
- Metal Fabrication: Welding, cutting, and grinding processes generating combined metal fumes and dust.
- General Construction: Masonry cutting, sanding, and insulation handling operations.
Usage Limitations
- Not for use in atmospheres containing less than 19.5% oxygen.
- Not for use in environments immediately dangerous to life or health.
- Do not use when facial hair crosses the sealing edge of the facepiece.
Compatible Filters & Accessories
Organic Vapor Cartridges: Absorbs organic gases and vapors with boiling points above 65°C.
Combination Gas & Particulate Canisters: Filters mixed exposures of acid gases, organic vapors, and solid aerosols.
Particulate Disc Filters: High-efficiency electrostatic media for fine dust, welding fumes, and mists.
Particulate Pre-Filter Pads: Disposable filter pads mounted onto chemical cartridges to capture coarse dust.
Snap-On Retainers: Polypropylene caps securing pre-filter pads onto gas cartridges.
Use & Maintenance
Pre-Use Seal Inspection
- Positive Pressure Check: Cover the exhalation valve cover with the palm of the hand and exhale gently. The facepiece should inflate slightly without air leaking past the edge seal.
- Negative Pressure Check: Cover the filter inlets with hands, inhale gently, and hold breath for 10 seconds. The facepiece should collapse inward against the face.
Cleaning & Washing
- Detach all filter cartridges before cleaning the mask body.
- Immerse the elastomeric facepiece in warm water below 40°C mixed with a neutral detergent.
- Rinse thoroughly with clean water and air-dry in a clean area away from direct sunlight.
Our Certificate
Manufacturing operations adhere to certified ISO 9001 Quality Management Systems, with production lots verified through routine laboratory testing to ensure compliance with applicable technical standards.
OEM/ODM & Supply Information
|
Customization Options |
Custom Pantone color matching, laser-etched brand marking, custom box printing, and localized instruction inserts. |
|
Minimum Order Quantity |
500 units for standard configuration; 2,000 units for customized color or private labeling. |
|
Packaging Configuration |
1 unit per sealed polybag, 1 inner box per unit, 20 inner boxes per master shipping carton. |
|
Carton Dimensions |
58 cm × 38 cm × 32 cm |
|
Carton Gross Weight |
8.5 kg |
|
Production Lead Time |
20 to 25 days following sample approval and deposit receipt. |
|
Quality Control Process |
100% inline checking for valve seating and bayonet engagement; lot-by-lot pressure differential testing. |
FAQ
Hot Tags: multi-purpose reusable respirator, China multi-purpose reusable respirator manufacturers, suppliers, factory, Bayonet Mount Respirator, Full Face Respirator for Laboratory Chemical Protection, Low Breathing Resistance Respirator, ODM Reusable Respirators, Organic Vapor Half Mask Respirator, Silicone Full Face Respirator
