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What does the national standard that each type of safety shoe executes have?

2021-07-15

At present, safety shoes in China can be roughly divided into: toe protection safety shoes (i.e. anti-hit labor shoes), piercing-proof safety shoes, electrical insulation shoes, anti-static safety shoes, acid and alkali resistant safety shoes. China's safety shoe standards began to be formulated in the 1990s. In 2007, the old production and inspection standards were modified and the new standards were formulated to protect the occupational health and safety of workers. Let's have a brief look at it.
Electrical insulation shoes standard: GB12011-2009
Mainly used for electrician, electronic operator, cable installer, transformer installer, etc. This kind of shoes can only be worn in the working environment under the power frequency voltage of 1KV, and the upper must be kept dry, can not contact sharp objects, high temperature and any corrosive substances, if the upper bottom corrosion or damage is not able to use, to replace the new electrical insulation shoes immediately.
Protection of toe safety shoes standard: GB21148-2007/GB21147-2007/GB21146-2007
The safety performance of inner baotou is divided into three levels: safety type, protection type and occupation type. The most commonly used in enterprises are safety type and protection type, so it is often used in metallurgy, mining, forestry, port, loading and unloading, quarrying, machinery, construction, petroleum and chemical industry.
Anti-static safety shoes standard: GB21148-2007
Anti-static shoes in some chemical plants, gas stations, liquefied gas filling and other industries wear more, because these industries belong to flammable places. Wear antistatic shoes can eliminate the accumulation of static electricity of the human body, insulation resistance is maintained between 100K ω -1000M ω, but when wearing these shoes can not wear insulation wool thick socks or use insulation insoles, should be matched with antistatic clothes; The resistance value of shoes should also be tested within 200 hours of wearing. Only the resistance can be used as anti-static shoes within the specified range, otherwise, it can not be used as insulation shoes.
Acid and alkali resistant safety shoes implementation standard: GB12018-1989
The shoes are used in electroplating, pickling, electrolysis, liquid distribution, chemical manipulation and other fields, but the acid and alkali concentration in these fields should not be too high; The shoes can not be exposed to high temperature, can not be hurt by sharp tools, the sole can not leak, wear immediately after washing with water dry, can not be in the sun direct irradiation or drying.
Conductive shoes implementation standard: GB21148-2007
The shoes have good electrical conductivity, can eliminate the accumulation of static electricity in a short time, the insulation resistance is less than 100 K ω, generally used in highly antistatic or particularly flammable and explosive places, but these places require no danger of electric shock. Conductive shoes and anti-static safety shoes can not wear insulation wool thick socks or use insulation insoles, to use with conductive clothing, but also within 200 hours to carry out resistance test, only the test can be used.

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