For succesful painting, filling and galvanization of car parts you need to prepare the working surface properly. Particularly, special degreasers will help to get rid of oil, bitum and other impurities. Use of these products also increases adhesion of parts surfaces, facilitates the application of paint or other materials.
Types of degreasers
Organic. This category includes agents based on petroleum products, for example, white-spirit, trichloromonofluoromethane, xylol as well as alcoholic solutions. Organic compounds are usually cheap and effectively remove insignificant fat-containing substances from parts surface. But due to fast evaporation they сan’t remove significant impurities. The main disadvantage of the agents – they are highly toxic and inflammable.
Alkaline and acid. These anti-static solvents can easily and quickly remove even significant impurities. Due to aggresive substances in the composition they can be unsuitable for certain materials.
Emulsive. They are made of organic solvents with emulgators added. These agents easily penetrate into small cracks and envelop oil particles preventing their reappearing on the surface. These compounds are characterized by rather high price.
Composition
Organic degreasers are based on petroleum refining products, saturated, chlorinated, and aromatic hydrocarbons, alcohols, compound ethers and others. Also these products can contain components which decrease speed of basic substances evaporation.
Surface-active compounds are also included in the composition of the emulsive products apart from organic solvents. Moreover, agents can contain anti-foamers, fragrances and other additional components.
Tips on how to use degreasers
Use degreasers only in a well-ventilated room wearing protection clothes, gloves, respirator, glases.
Carefully follow the manufacturer recommendations and make sure that the product is safe for a procesed surface.
Many agents are inflammable: they cannot be used near open fire.
Use a sprayer or special lint-free cloths for mixture application.
Note that the product should not be left on the part until its complete drying. After applying remove the agent with the help of a lint-free cloth.
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