Protective clothing standards
As of the end of 2003, the relevant standards for protective clothing are:
GB/T13661—1992 “General Protective Clothing”,
GB/T13459—1992 “Labor Protective Clothing Requirements for Cold Protection and Warmth Keeping”,
GB8965-1998 “Flame-retardant protective clothing”,
GB12014 “Anti-static Protective Clothing”,
GB12799-1991 “Safety and Hygiene Performance Requirements for Oil- and Water-Repellent Protective Clothing”,
GB16757-1997 “X-ray Protective Clothing”,
GB6568.1-2000 “Shielding Clothing for Live Work”,
GB9953-1999 “Water-immersed thermal insulation clothing”,
GB/T13641—1992 “Labor Protective Clothing Models”,
GB/T14312—1993 “General Technical Conditions for Waterproof Clothing”,
GB15701-1995 “Welding Protective Clothing”,
GB17956-2000 “Dust-proof Clothing”
LD5—1991 “Anti-Smash Back Armor”,
LD58—1994 “Forest Fire Protection Suit”,
LD63—1994 “Labor Protection Down Jacket”
LD86-1996 “Radiation protective clothing below 100KeV” etc.
2. How to wear protective clothing correctly
Protection is a system. Suitable protective clothing is not enough. There must also be other protective equipment that matches the protection level and performance. We can often see such a scene: in the same dangerous environment, rescuers wear a variety of protective equipment, including chemical protective suits, firefighting suits, gas masks, and no respiratory protection at all. . At this time, the matching between the various equipment of the individual protection system should be ensured, because the overall protection effect is determined by the weak equipment links. Therefore, when wearing chemical protective clothing, you must be equipped with all necessary protective equipment as needed: such as chemical-resistant gloves, masks or respirators, chemical-resistant boots, etc. After wearing air-tight protective clothing, the wearer will be in an isolated environment. Therefore, it is necessary to be equipped with necessary communication equipment, anti-fog measures for masks, cooling measures (such as ice vests), etc. All relevant protective equipment must be considered, otherwise the wearer may be put in a dangerous situation.
Prepare
Before wearing it, we must ensure the suitability of the chemical protective clothing, that is, whether the protective clothing is in good condition. Check the appearance of the protective clothing to see if there is contamination on the outside, whether the seams are cracked, and whether there are any tears in the clothing. For air-tight protective clothing, a special air-tightness detector should be used to conduct air-tightness testing regularly (once every six months) so that the protective clothing can function when worn in an emergency. Inspection before wearing is very important. If you judge based on experience alone and think that the equipment is safe, but in fact it is unsafe, it may cause serious injuries. Correct size. Before wearing, you should reconfirm that the size of the protective clothing is suitable for you. If it is too large or too small, it will cause inconvenience in movement or accidental damage or tearing during work. Remove sharp objects. Remove unnecessary keys, knives, pens, etc. from your body to avoid damaging the protective clothing during work.
Choose a venue
A dressing room is an ideal place to dress, and if one is not available, it should be done in a relatively pollution-free environment. In emergency rescue conditions, dressing should be carried out in cold areas.
Other necessary auxiliary systems Before using chemical protective clothing, ensure that other necessary auxiliary systems such as air supply equipment, decontamination equipment, etc. are ready.
Wear
Wearing protective clothing must follow a certain order. This can ensure that the protective clothing is worn correctly and quickly, maximize the effectiveness of the protective clothing at work, and lay the foundation for taking it off safely after use. Generally, the order should be followed: trouser legs – boots – top – mask – hat – zipper – gloves. Finally, in order to improve the airtightness of the entire system, you can add tape to the openings (such as plackets, cuffs, trouser openings, masks and hooded interfaces of protective clothing). In order to enhance hand protection, you can choose to wear two layers of gloves, etc. In During the entire process, try to prevent the inner layer of the protective clothing from coming into contact with the external environment to prevent the protective clothing from being contaminated at the beginning.
Work
During the work process, it should be noted that if the chemical protective clothing is continuously contaminated by chemical substances, it must be replaced within the specified protection time. If chemical protective clothing is damaged, it should be replaced immediately.
For airtight protective clothing or non-airtight protective clothing with good sealing performance, since you work in a relatively isolated space, it is recommended to follow the principle of two people accompanying you, that is, at least two people enter the work area together to prepare for emergencies. Provide timely assistance when an emergency occurs.
Chemical protective clothing fabrics can provide effective protection for several hours, but if an air respirator is worn, the working time is determined by the working time of the air respirator. Pay attention to the effective use time of the air respirator and replace the cylinder before it is used up. And when calculating effective working time, walking and…The time taken to change equipment.
Remove
The principle that should be followed when taking off protective clothing is to take off the protective clothing safely without causing pollution to the human body and the environment. A very important, but often overlooked, point to be emphasized here is that necessary cleaning and decontamination must be carried out before taking off chemical protective clothing. The cleaning and decontamination mentioned here is only to be able to take off the protective clothing safely without contaminating the wearer or the environment, not for the reuse of certain protective clothing. Depending on the contaminants, decontamination can be as simple as a bucket of water to remove general contaminants, or adding some detergent for rinsing. At this time, please note that some chemicals, such as concentrated sulfuric acid, will undergo a violent exothermic reaction when exposed to water. At this time, you should first absorb the chemicals on the surface of the clothes and then rinse them with water. This can prevent high heat from damaging the protective clothing, thereby causing contamination and harm to the wearer.
After cleaning and decontamination, you also need to follow certain procedures when taking off chemical protective clothing, usually zipper – hat – top – sleeves – gloves – trouser legs – boots – respirator. Before taking off the gloves, try to touch the outer surface of the protective suit. After taking off the gloves, try to touch the inner surface of the protective suit. After taking off the protective suit, the inner surface should face outward, wrapping the outer surface and pollutants inside to avoid Contaminants come into contact with humans and the environment. The protective equipment that has been taken off must be disposed of in a centralized manner to avoid expanding contamination in the process. What should be noted here is that for airtight or liquid-tight protective clothing and other complex and bulky protective clothing, it is recommended to have another assistant to assist when putting on and taking off, who can help the wearer make some adjustments and zipper comparisons. Difficult work, and finally check the condition of the entire protective suit after putting it on. When assisting in taking off protective clothing, due to the possibility of contact with contaminants, the assistant must also take appropriate protection to avoid contamination.
(Source: Labor Protection Supplies Mall)
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