What is air-tight chemical protective clothing? Which type of first-level chemical protective clothing is it?

) !: Song Dynasty: ) & Product Features:
< ) Song Dynasty) b ) !: Song Dynasty: ) Substrate: flame retardant cloth double-sided coated with C or neoprene.
< ) Song style) b ) !: Song style: ) Material thickness: .
< ) Song style) b ) !: Song style: ) Color: yellow, orange
< ) Song style) b ) ! : Song Dynasty: ) number is optional.
< ) ) b ) !: : ) Insulated, waterproof, sealed, and can prevent harmful liquids and gases such as acids and alkalis.
< ) Song Dynasty) b ) !: Song Dynasty: ) Double sealed zipper, anti-fog and anti-glare large window, overpressure exhaust valve.
< ) ) b ) !: : ) Anti-smash, anti-puncture, anti-chemical boots.
< ) Song font) b ) !: Song font: ) Clothing, gloves and boots are integrated into one
< ) Song font) b ) !: Song font: ) Maintenance and storage:
< ) Song style) b) !: Song Dynasty: ) After each use, depending on the pollution situation, rinse with clean water, soapy water or .%~% sodium carbonate aqueous solution, then rinse with clean water, and store in a cool and ventilated place to dry.
< ) Song Dynasty) b ) !: Song Dynasty: ) Chemical protective clothing should be hung and stored indoors and should not be folded or squeezed.
< ) Song Dynasty) b ) !: Song Dynasty: ) When storing, it should be kept away from heat sources, avoid sunlight, and avoid contact with active chemicals and oils.
< ) Song Dynasty) b ) !: Song Dynasty: ) Chemical protective clothing should be stored in a clean, dry, well-ventilated warehouse with a room temperature of ℃℃ and a relative humidity of %%.
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< ) Song Dynasty) b ) !: Song Dynasty: ) Unzip the sealing zipper of the chemical protective suit, insert your right foot first, then your left foot, pull the chemical protective suit to half your waist, and then cover the rucksack Put on the air respirator, insert the quick connector of the supply valve into the quick connector of the positive pressure fire fighting air respirator, turn on the gas cylinder switch, and put on the full face mask of the air respirator.
< ) Song Dynasty) b ) !: Song Dynasty: ) Breathe a few times first, make sure your breathing and everything else are normal, then put on both sleeves, put on the large-view connection hood, and close the sealing zipper.
< ) Song Dynasty) b ) !: Song Dynasty: ) After breathing normally for about .5 minutes, the chemical protective suit will inflate and you can enter the work site.
< ) Song Dynasty) b ) !: Song Dynasty: ) After the operation is completed, take off the chemical protective clothing and air breathing apparatus in the safe area. The operation sequence is:
< ) Song Dynasty) b ) !: Song Dynasty: ), open the sealing zipper, take off the large-view one-piece hood, and take off both sleeves.
< ) ) b ) !: : ) Take off the full face mask, turn off the gas cylinder switch, and separate the supply valve from the air respirator.
< ) ) b ) !: : ) Take off the chemical protective suit and take off the air respirator.