Full Face Gas Mask

Application

  Full face gas mask is a kind of filtering single-eye window personal respiratory organ protection equipment. It can effectively protect the wearer's face, eyes and respiratory tract from the damage of toxic agents. Used in military operations, anti-terrorism and public emergency response and other workplaces.

Composition and characteristics

  Full face gas mask is mainly composed of full-eye window gas mask, gas filter box (double box) and rubber headband. Full face gas mask adopts full eye window design. It is mainly composed of cover body, large eye window lens and five headbands that can be adjusted and loosened at will. The close frame of the mask body is designed according to the adult head shape and adopts the form of reflection hem. It is comfortable to wear and has reliable airtight performance. The big eye window lens is made of polycarbonate, which has a wide field of vision, good optical and impact resistance properties. Waterproof cover structure is adopted to protect the light with good performance. The filter box is filled with high quality activated carbon or activated carbon - catalyst, which can protect different kinds of toxic agents, long protection time, small resistance, light weight, easy to replace.

Technical indicators

1 Mask air leakage coefficient: ≤0.005%(30L/min)

2 Expiratory resistance :≤100Pa(30L/min)

3 Visual field: Total visual field :≥75% Binocular visual field: ≥55% Lower view: ≥35 degrees

4 Transmittance of mask lens: ≥ 85%

5 barrier propterty：Benzene ≥45min； Ammonia ≥25min； Sulfur dioxide ≥30min

Use and maintenance

1 Check the air tightness of the mask before wearing it. That is, after removing the gas box on the mask, wear the mask upward from the chin, and then adjust the headband appropriately. The sealing frame of the mask should be close to the face of the wearer, and there is no air leakage during inhalation, which indicates that the mask is airtight. Only after installing the gas box during use can you enter the contaminated area.

2 After the mask is used, the lens, expiratory valve and inspiratory valve should be kept clean, and the mask can be rinsed with water if necessary.

3 If used in an environment with infectious virus, the mask can be wiped and cleaned with 1% peracetic acid disinfectant, and the virus box should not be filled with water to prevent failure. After the mask is disinfected with disinfectant, it should be wiped with water and dried before use.

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