Kapon lacquer is used for priming cleaned surfaces of objects made of wood and wood-based materials, intended for indoor use. Kapon serves as a base coat that protects wood from darkening, allowing it to retain its natural color, and is applied under nitro and polyurethane lacquers. The details of these products can be found at the following link: https://chemstal.pl/katalog-produktow/kapon-podklad-nitrocelulozowy/