How to identify qualified antistatic fabric overalls - qualified anti-static overalls, each product must be marked with the manufacturer's name (or factory mark), site, product names, trademarks, shape specifications, product grade, date of production; per pack shall specify the number, the product name, model number, grade, production units, date of manufacture, together with the product instructions. Product specification level should be anti-static performance grades, A or B grade.
Implementation of the special labor protection supplies safety signs, requested in the apparent position of Gasch durable special labor protection supplies safety signs.
Antistatic overalls place primarily for fire and explosion hazards. The gas explosion hazard criteria of explosive substances by frequency of occurrence, duration and degree of risk is divided into:
0 Area: Under normal circumstances, an explosive gas mixture continuously, frequently appear short or long existing sites.
1 Area: Under normal circumstances, explosive gas mixtures are possible places.
Zone 2: Under normal circumstances, explosive gas mixtures can not occur only in abnormal circumstances arise occasionally place a short time.
Of a gas explosion hazardous areas zone 0, a region, and the minimum ignition energy of combustible materials in 0.25mJ less, shall be equipped with anti-static overalls. Common minimum ignition energy 0.25mJ a combustible hydrocarbon fuel alkoxy C, acrylonitrile, diethyl ether, hydrogen, carbon disulfide, furan, benzene, methanol. In the "labor protective equipment selection rules", the requirements of Class A01 explosive workplaces must be equipped with anti-static overalls; A02 class combustible dust job, you can use anti-static overalls. Also requires gas station operator, liquefied petroleum gas cans and similar types of workers, must be equipped with anti-static overalls.
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