1. Generally, varnishes have the protection function of reducing ultraviolet radiation. As long as the varnish layer is intact, it can effectively delay the aging of colored paints.
2. The varnish material used in the original factory is mainly one-component paint cured at high temperature: polyurethane or polyester, and the varnish material commonly used in repair paint is mainly two-component acrylate cured naturally.
3. The varnish is beautiful with high gloss, but it is easy to scratch. If you clean the car with a slightly hard towel or suede after washing the car, you will find hair scratches.
4. varnish is more susceptible to environmental pollution than ordinary paint.