Product Identification
Model: 1011-D
Type: Self-priming dual canister full face gas mask
Intended Use: Respiratory protection against harmful gases, vapors, and particles in industrial and emergency environments such as chemical hazards, biological incidents, construction, and petrochemical industries
1. Standards and Compliance
- GB2811-2019
- EN 136:1998 (Full Face Mask)
2. General Description
- Full face mask with dual side-mounted filter connection
- Silicone construction for comfort, durability, and proper fit
- Large polycarbonate visor for wide field of view
- Multi-exhalation valve design for easier breathing
- Built-in microphone port to enhance communication
3. Materials
- Facepiece: High-grade liquid silicone, skin-friendly, durable, easy to clean
- Eye lens: Polycarbonate, scratch-resistant, wide field of view
- Head harness: 5-point high-elastic strap system, adjustable and secure
4. Filter System
- Dual canister design for wide protection range
- Filters contain chemically impregnated activated carbon and electrostatic media
- Filter selection depends on target hazard (e.g., gas type, particulate)
5. Performance Specifications (Typical Reference)
- Inhalation resistance: < 40 Pa at 30 L/min
- Exhalation resistance: < 100 Pa at 30 L/min
- Full mask inward leakage: < 0.05 percent
- Total field of view: > 70 percent
- Binocular field of view: > 55 percent
- Lower field of view: > 35 percent
- Dead space volume: < 1 percent
- Weight (mask only): ~500 g (without filters)
6. Features and Benefits
- Dual-filter configuration reduces breathing resistance
- Exhalation valve with shutter design improves comfort
- Wide-angle visor enhances visibility
- Built-in microphone port improves communication
- Optimized leakage control to exceed standard protection levels
7. Operating Conditions
- Use only in oxygen-rich environments
- Compatible with certified filter canisters for specific hazards
8. Typical Applications
- Industrial respiratory protection (chemical, petroleum, construction)
- Emergency response to chemical or biological incidents
- Disaster rescue and hazardous environment entry
