How to divide the grade of protective clothing
There are four main levels of protective clothing.
1. the A-level protection of protective clothing is the highest level of protection, mainly to provide the most complete protection for gases and liquids in the surrounding environment. It is a completely enclosed, chemical-proof clothing, gloves and boots. And a set of isolated respiratory protection devices. And in the following situations, you must wear it: For high-concentration gas and dust, the second is for situations that must be exposed to steam and cause skin damage; and for work In the environment, places with poor ventilation must also be protected in this way.
1. the A-level protection of protective clothing is the highest level of protection, mainly to provide the most complete protection for gases and liquids in the surrounding environment. It is a completely enclosed, chemical-proof clothing, gloves and boots. And a set of isolated respiratory protection devices. And in the following situations, you must wear it: For high-concentration gas and dust, the second is for situations that must be exposed to steam and cause skin damage; and for work In the environment, places with poor ventilation must also be protected in this way.
2. Protective clothing Grade B protection is slightly inferior to Grade A protective clothing, but it is slightly inferior to Grade A in terms of skin protection. When handling dangerous goods, Grade B protection is the lowest protection standard. When the toxic gas is not serious to the skin, it is only used for respiratory protection. Unlike Class A, it includes a set of unclosed, splash-proof, chemical-resistant clothing. There are two layers of protective gloves inside and outside, as well as protective boots and protective caps that are the same as Class A.
3. The C-level protection of protective clothing is the same level as the B-level in terms of skin, but slightly lower than the B level in terms of breathing. It includes a splash-proof clothing with a filter protection device that completely covers the face. And it must be worn in the following situations: Class C protection must be performed when the concentration of harmful substances in the air is known, but the density of oxygen is higher than 19.5%.
4. Protective clothing D-level protection, no respiratory protection, minimum skin protection: rare, or no chemical protection.
In any case, you must have a sense of safety and prevention, and you must wear protective clothing of the corresponding level and style, and do not have a fluke mentality.
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