Description

Technical Parameters

The Dual-Cartridge Organic Vapor Respirator utilizes a twin-bayonet filtration interface engineered to balance weight distribution across the facepiece during long work shifts. Molded from medical-grade elastomer, the half-mask structure maintains an airtight facial seal while filtering airborne organic vapors, volatile solvents, and chemical particulates through dual low-resistance cartridge channels.

Key Features

Symmetrical Dual-Filter Architecture: Distributes weight evenly across the facepiece to minimize neck pressure during extended wear.

Low-Resistance Airway Assembly: Dual inhalation valves paired with a wide exhalation diaphragm reduce breathing resistance and internal humidity buildup.

Universal Quarter-Turn Bayonet: Secure locking mechanism enables rapid attachment of organic vapor cartridges and particulate pre-filters.

4-Point Suspended Harness: Adjustable crown strap system ensures balanced tensioning and seamless integration with eye protection and safety helmets.

Contoured Sealing Edge: Soft inner lip conforms to diverse facial profiles to preserve seal integrity during physical movement.

Design & Components

Facepiece Body: High-density liquid silicone rubber or thermoplastic elastomer resistant to chemical mist absorption and surface degradation.

Inhalation & Exhalation Valves: Flexible silicone diaphragms operating under minimal opening pressure to facilitate effortless air exchange.

Filter Mounting Ports: Twin side-mounted polypropylene bayonet connectors built for repeatable cartridge installation and airtight sealing.

Harness & Buckle System: Elastic synthetic straps featuring quick-adjustment pull buckles for precise tension balancing.

Technical Specifications

Parameter	Specification	Standard / Test Method
Mask Classification	Half-Mask Dual-Cartridge Respirator	EN 140:1998 / GB 2626-2019
Facepiece Material	Liquid Silicone Rubber / TPE	ISO 10993 Biocompatibility
Inhalation Resistance (30 L/min)	≤ 50 Pa	EN 140 Clause 6.8
Inhalation Resistance (95 L/min)	≤ 150 Pa	EN 140 Clause 6.8
Exhalation Resistance (160 L/min)	≤ 140 Pa	EN 140 Clause 6.9
Total Inward Leakage	< 2%	EN 140 Clause 6.12
Net Mask Weight	115 g	Precision Digital Scale
Operating Temperature Range	-10°C to +55°C	Thermal Chamber Test
Available Sizes	Medium, Large	Anthropometric Sizing Standard

Applications & Limitations

Recommended Applications

Solvent handling, degreasing, and chemical processing
Automotive refinishing, industrial painting, and protective coating
Resin processing, composite fabrication, and adhesive application
Agricultural chemical spraying and pesticide mixing

Operating Limits

Do not use in environments where oxygen concentration is below 19.5%.
Do not use in immediately dangerous or life-threatening toxic atmospheres.
Requires appropriate specialized cartridges for protection against inorganic gases, acid gases, or ammonia.

Compatible Filters & Accessories

Item Type	Category	Target Contaminants / Function
A1 Organic Vapor Cartridge	Cartridge	Organic gases and vapors with boiling points above 65°C
A2 Organic Vapor Cartridge	Cartridge	Expanded-capacity protection against organic volatile compounds
A1P3 Combination Cartridge	Combination	Organic vapors plus toxic solid and liquid aerosols
P2 Particulate Pre-filter	Pre-filter	Solid aerosols and oil-free mists with minimum 94% filtration efficiency
P3 Particulate Pre-filter	Pre-filter	High-efficiency fine particulates with minimum 99.95% filtration efficiency
Pre-filter Retainer	Retainer	Polypropylene snap-on cover to secure pre-filters onto cartridges

Use & Maintenance

Inspection & Fitting Procedure

Check the facepiece, sealing rim, valves, and head straps for wear or structural damage before each work cycle.
Align cartridge bayonet lugs with facepiece intake ports, press firmly, and rotate clockwise 90 degrees until locked.
Conduct positive and negative pressure seal checks before entering active work areas.

Cleaning & Storage Protocol

Detach filter cartridges prior to cleaning; keep cartridges free from direct water contact.
Wash the facepiece in clean water below 40°C using neutral liquid soap.
Rinse thoroughly with clean water and dry in an ventilated room away from direct heat sources.
Store in sealed packaging in a dry area between -10°C and +30°C.

Cartridge Replacement Triggers

Replace organic vapor cartridges immediately upon detecting chemical odor or taste inside the facepiece.
Replace particulate pre-filters when breathing resistance rises noticeably during inhalation.

Quality & Compliance Proof

Production facilities and product assembly lines operate under strict quality management frameworks, adhering to rigorous international standards for safety and manufacturing consistency.

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Supply & Commercial Information

Minimum Order Quantity	1,000 units for standard configurations; 3,000 units for customized branding
Customization Services	Custom logo silk-screen printing on facepiece body, custom inner box designs, and translated instruction inserts
Standard Packaging	1 mask per sealed bag, 1 mask with 2 cartridges per inner box, 20 boxes per shipping carton
Carton Specifications	Dimensions 58 cm × 38 cm × 42 cm; Gross Weight ~8.5 kg
Monthly Production Output	100,000 units
Sample Delivery	Available upon request for fit testing and compliance evaluation
Production Lead Time	15 to 20 days following sample confirmation and order deposit

FAQ

Q: What are the main functional advantages of a dual-cartridge design compared to single-filter masks?

A: Dual cartridges split incoming airflow between two intake ports, cutting inhalation resistance by half compared to a single filter of equal surface area. Symmetrical mounting also balances mask weight on the face and maintains an unobstructed downward sightline.

Q: Are the connector fittings compatible with standard organic vapor cartridges?

A: Yes, the bayonet mechanism uses standardized quarter-turn locking geometry, providing direct compatibility with matching A1, A2, and combination filters across standardized personal protection equipment lines.

Q: Which mask material is best suited for high-temperature working conditions?

A: Liquid silicone rubber provides high thermal stability, keeping its shape and soft sealing capabilities across extreme temperature ranges, while remaining gentle on sensitive skin.

Q: What structural options exist for custom private labeling?

A: Customization includes brand printing on the facepiece surface, custom strap colors, branded inner retail packaging, shipping carton markings, and translated user guides.

Q: What quality checks are conducted on finished masks before shipment?

A: Every production batch undergoes automated leakage rate testing, valve seating verification, and breathing resistance testing according to standardized testing protocols prior to final packaging.

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