Glossary

Acid hardener lacquer

(AC lacquer) combination of urea and/or melamine resins with film formers e.g. cellulose nitrate, softeners, additives, solvents and an acid (sulphonic acid, phosphor derivatives, no hydrochloric acid). Where the lacquer is contained in the lacquer, we speak of mono-component lacquer with a limited shelf life. Where a hardener containing the acid needs to be mixed before treatment, we speak of 2C AC lacquer with a limited potlife. Here too there are wetting and less wetting types. Qualities vary depending on the type and supplier

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