Comply with all performance requirements specified in GB 2890-2022 Respiratory Protection - Self-priming Filter Type Gas Masks. Provide complete and valid test reports issued by national authoritative testing institutions that are consistent with the bid product models.
Product Advantages
Performance Requirements
2.1 The complete set shall include one full-face mask and one fully enclosed filter cartridge.
2.2 The respirator shall be designed for intuitive use, allowing users to operate it correctly after reading the instruction manual, without prior training.
2.3 The mask shall be a full-face type, featuring a wide double-seal design for facial conformity and an integrated sweat-channel design.
2.4 Equipped with dual anti-fog lenses that provide a wide, unobstructed field of view. Lenses shall have replaceable high-strength anti-scratch coating, offering resistance to scratches and high-velocity impacts.
2.5 The respirator shall effectively protect against organic, inorganic, acidic, ammonia, and ammonia-derived gases. The filter cartridge shall be clearly labeled with the types of toxic substances it protects against.
2.6 The worn respirator shall not exceed 1500 g in weight.
2.7 All metal components of the respirator shall be corrosion-resistant, with surfaces free of cracks, wrinkles, burrs, or other defects.
2.8 The total weight of the full-face mask and filter cartridge shall not exceed 2500 g. The connection force between the mask and the filter cartridge shall be at least 250 N.
2.9 The mask dead space shall be ≤ 1.
2.10 The full-face mask shall provide a field of view as follows:
Total binocular field of view: ≥ 75%
Lower field of view: ≥ 38°
Lens light transmittance: ≥ 90%
3.0 The pressure variation inside each full-face mask shall not exceed 50 Pa within 60 seconds.
3.1 Breathing resistance:
Inhalation at 30 L/min: ≤ 50 Pa
Inhalation at 85 L/min: ≤ 150 Pa
Exhalation at 160 L/min: ≤ 300 Pa
Connecting Industry Elites, Building a Safe Ecosystem Together — Nantong Kaen Safety Equipment Co., Ltd. Shines at the Exhibition
READ MORE
Connecting Industry Elites, Building a Safe Ecosystem Together — Nantong Kaen Safety Equipment Co., Ltd. Shines at the Exhibition
READ MORE
Deeply Rooted in the Security Field, Safeguarding the Foundation of Safety — Nantong Kaen Safety Equipment Co., Ltd. Makes a Grand Appearance at the Exhibition
READ MORE
Technology Empowers Safety, Joining Hands for a New Journey — Nantong Kaen Safety Equipment Co., Ltd. Makes a Grand Appearance at the Exhibition
READ MORE