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    Home > Coatings News > Paints and Coatings Market > Common knowledge of coating: hazards of dust and protective measures during the construction of floor coating

    Common knowledge of coating: hazards of dust and protective measures during the construction of floor coating

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: there are three main sources of dust in epoxy floor coating: mechanical rust removal, coating grinding and powder coating (1) Mechanical derusting Mechanical derusting is mainly to remove the metal oxide skin, concrete floor dirt and old floor coating on the floor In the construction of floor derusting, tool derusting, sand blasting, shot blasting and other construction methods will be used, which will produce a lot of dust At the same time, the wear of the grinding disc in the process of mechanical use will also produce the dust of abrasive particles In order to reduce the influence of silica dust produced by abrasive, the content of silica in abrasive is generally controlled Paint knowledge how about Akzo Nobel Powder Coating Recommended introduction: powder coating is a kind of coating with different form from general coating, which is in powder form It is a new type of coating, because of its own advantages and more and more known by people Let's introduce Akzo Nobel Powder coating Akzo Nobel Powder coating is a cost-effective coating solution, which can be applied to different kinds of products After the treatment of static electricity and fire baking, a tough and durable coating surface will be formed, with the least impact on the environment Since the introduction of this technology, powder coating has been able to continue to maintain the Home of coatings: in the epoxy floor coating operation, there are three main sources of dust: mechanical rust removal, coating grinding and powder coating (1) Mechanical derusting mechanical derusting is mainly to remove the metal oxide skin, concrete floor dirt and the old floor coating on the floor In the floor derusting construction, tools derusting, sandblasting, shot blasting and other construction methods will be used, which will produce a lot of dust At the same time, the wear of the grinding disc in the process of mechanical use will also produce the dust of abrasive particles In order to reduce the influence of silica dust produced by abrasive, the content of silica in abrasive is generally controlled It is strictly prohibited to use more than 70% quartz sand during sand blasting (2) In the process of coating grinding in the epoxy floor industry, the paint film often needs to be polished The dust particle size of the paint layer is relatively small, the suspension time in the air is long, and it is easy to be inhaled into the body The fine particles can enter the air bubbles, which is harmful (3) The particle diameter of powder coating powder coating is mostly in the range of 10-90 μ m, among which the particle diameter in the range of 30-40 μ m accounts for 60% - 70% This kind of dust is the most harmful to the operators in the powder spraying room The harm of dust to human body is related to its particle diameter The dust with a particle diameter of 50 μ M can be almost completely blocked in nose, throat, trachea and bronchus, the dust with a particle diameter of 10-15 μ M can be blocked in upper respiratory tract, and the dust with a particle diameter of 5-10 μ M can reach lung Dust prevention safety measures (1) choosing appropriate floor coating and industrial construction method is the most effective measure to eliminate or reduce dust sources It mainly includes: to achieve mechanization as much as possible in the production of ingredients; to use chemical methods for rust removal as much as possible; to use wet operation as much as possible when mechanical rust removal is necessary (2) Many measures can be taken to prevent dust diffusion, such as ventilation and dust removal For operators, they shall wear dust masks, oxygen permeable helmets, work clothes and other protective equipment to minimize dust hazards Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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