涂料行业
工业

金属效果颜料广泛用于各种涂料应用中。AVL 效果颜料因其出色的金属效果以及在以下领域的功能性而闻名：

气溶胶涂料

气溶胶涂料用金属效果颜料

用户建议:

常规体系

在气溶胶喷雾罐中使用金属效果颜料的首要规则是，喷嘴开口至少应比配方中金属效果颜料的 D90 粒径大 3 倍。用于气溶胶喷雾罐的金属效果颜料糊剂往往具有很高的固含量，以减少配方中的溶剂量（即 AVL 浓淡金色 36/WS/90-10）。

水基体系

Aquastab 产品的 AVL 系列（在甲氧基丙醇或丁二醇中）非常适合水基体系的要求。使用 Aquastab 系列产品制备配方时，请确保首先用一些水或酒精将 Aquastab 糊剂预分散，以保证在加入配方的其他组分之前混合均匀。

注意：请确保仅使用低转速 (50RPM) 的搅拌器，因为高速搅拌器在使用后往往会破坏金属颗粒，降低金属效果。喷嘴的直径应至少为最大颗粒尺寸的三倍。

气溶胶涂料用银铝颜料

Anti-corrosion coatings

Metallic Functional Powders (MFP) for Anti-corrosion coatings

AVL has developed a line of zinc flake powders and -pastes that offer an excellent cathodic protection of zinc in platelet form for applications as dip spin coatings and primers. Besides the cathodic protection of the substrate, zinc flakes offer a barrier-effect protection which is highly efficient. A larger surface area of the zinc flakes improves the electrical conductivity between the flakes and increases the anticorrosive properties.

In comparison to zinc dust, zinc flake powders and -pastes offer better handling- and application properties, improved sustainability and they reduce raw material consumption. This ensures more economic use of zinc during the application.

Coatings with zinc flakes have a much lower film thickness and lower tendency to settle. In addition, this flake geometry provides excellent long-term barrier protection and gives the finished coating a smooth, unique metallic appearance.

AVL offers a range of zinc flake powders and – pastes but also in combination with alloys such as aluminium and magnesium. Pastes for water based and solvent based applications are available.

Zinc powders

Zinc pastes