Gold bronze coatings become discoloured! Why?
Gold bronze pigments are highly temperature-sensitive. The colour changes at a temperature as low as approx. 80°C. “Normal” gold bronze pigments can thus only be used in air-drying coatings that are not subsequently exposed to high temperatures (e.g. decorative effects). A considerable improvement in colour stability is achieved by using encapsulated gold bronze pigments that are sold under the name Standart Gold bronze Powder Resist.
