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Before painting the car body or its elements, the old paint coating has to be removed. Special automotive paint remover liquids, gels, pastes, and sprays will help to do this thoroughly enough. They thin the coating, thus allowing to remove it using a putty knife, scraper or other tools.

Types of automotive paint strippers

According to chemical composition there are the following products for paint removing:

• based on organic solvents;
• alkaline-based.

These products are divided into multi-purpose ones (they remove alkyd, acrylic, glyptal, epoxy and other paint types, as well as the primer) and special, for instance, for powder paint. Moreover, some products are suitable for removing paint from any surfaces, while others are designed only for metal or, for example, plastic items.

Composition

The active substance of alkaline-based paint removers can be, for instance, caustic soda, soda or quicklime. And acetone, benzol, dioxolane, paraffin and others are amongst organic solvents, which can be the main component of these formulas.

Composition of automotive paint strippers can also include thickening agents, activators, evaporation suppressors, surfactants. Many manufacturers add corrosion inhibitors to such compounds.

Tips on using automotive paint remover liquids

For efficient removal of old paint it is important to select the remover liquid in accordance to paint type, material and peculiarities of the painted surface. Thus, multi-purpose formulas or products, designed for working with metal will be suitable for bodywork. Paint stripper for plastics should be selected to remove paint from bumpers, skirts or other plastic car elements.

It is convenient to remove paint from horizontal surface using a liquid or spray product, from inclined surface – with the help of pastes and gels. Paint removers should be applied to the treated surface with a brush or other suitable tools. Such procedure should be performed outdoors or in a well-ventilated room. Note that the treated surface should remain wet for several hours. After this, the softened paint is removed with the help of a scraper or putty knife, and the cleaned surface is treated with a solvent. As reaction period of paint strippers is limited by solvent evaporation time, it may be necessary to apply the compound several times for maximal softening of the paint layer.

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