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:

Aerosol coatings by AVL Metal Powders

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。

Zinc powders for Anti-corrosion coatings by AVL METAL POWDERS n.v.
Zinc powders for Anti-corrosion coatings by AVL METAL POWDERS n.v.

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.

Metallic Effect Pigments for Can Coatings by AVL Metal Powders
Metallic Effect Pigments for Can Coatings by AVL Metal Powders

罐听涂料

罐听涂料用金属效果颜料:

铝牌号用于遮盖食品和饮料罐涂层中的金属缺陷。因为涂层非常薄,并且需要很高的覆盖率,所以只有非常精细的铝效果颜料才合适。

用户建议:

AVL 系列精细铝效果颜料(粉体和糊剂)最适合环氧酚醛和其他配方的罐听涂层要求。包括粒径范围、金属效果、覆盖率和电导率等所需要的特性都是最佳的。可根据要求提供除甲氧基丙醇 (PM) 以外的其他溶剂/载体,例如溶剂石脑油。

注意:使用高速旋转混合器可能会打碎颗粒,从而降低光泽和金属效果。因此,我们强烈建议使用低转速混合器(最大转速 50 RPM)。

Industrial coatings by AVL Metal Powders

工业涂料

工业涂料用金属效果颜料

金属效果饰面(特殊效果)与出色的遮盖力相结合,导致铝和金青铜效果颜料广泛应用于各种工业涂料,包括消费品、室内设计、地板覆面层……

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