In the preparation phase of bodywork paints, primers may be either necessary or optional. The role of these bodywork primers is to condition the surface to be painted, whether it is new, raw and bare, or damaged.
Primers create an ideal surface for the paint. In the art of automotive paintwork, the standards are extremely high and demanding in te...
In the preparation phase of bodywork paints, primers may be either necessary or optional. The role of these bodywork primers is to condition the surface to be painted, whether it is new, raw and bare, or damaged.
Primers create an ideal surface for the paint. In the art of automotive paintwork, the standards are extremely high and demanding in terms of adhesion, durability, and long-term reliability.
They play an important role as an interface between the substrate and the paint. Their function depends on the type of primer, and they are commonly referred to as adhesion primers or simply primers.
The first type serves an essential purpose in providing adhesion and grip on specific materials (glass, plastics, metals, wood, etc.). These primers often also offer anti-corrosion properties to protect metals from oxidation.
The second type of primer is a filler primer or surfacer, which is designed to fill micro-imperfections and smooth out uneven surfaces. In conclusion, a bodywork primer is a preparatory coat that is used when the substrate requires it.
Intended exclusively for applicators equipped with a spray gun, body primers in cans are typically used with a hardener and thinner. They are sprayed with large nozzles (generally over 1.5 mm) when used as fillers, as these are thick products rich in solids, designed to fill micro-scratches, surface irregularities, and pinholes often found on old paints, fillers, wood, and similar substrates.
These can be single-component (ready to use and reusable) or two-component (with hardener and single-use only). Aerosol primers are very convenient because they can be used quickly, without the need to prepare equipment, connect it, or clean it afterwards. Their limited capacity makes them ideal for treating small surfaces, for example for minor touch-up work.
There are products available to promote adhesion on almost all materials — perhaps with the exception of diamond... Some materials do present adhesion challenges, to varying degrees, such as certain plastics, rubber, and silicone. For one very particular substrate — hard chrome plating — many companies seek to achieve colouring of chrome. For this purpose, there is now a new primer, unique in its class and the only one capable of creating an unbreakable bond on this extremely hard metal.
Complete car and motorcycle paint kit
Clearcoats and finishes
Complementary products to bodywork paint
Epoxy paints for rims
Types of bodywork paint
How to prepare the bodywork before painting?
How to achieve a matte or satin bodywork paint ?
How to repair scratches on bodywork paint
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