6.1.2 application of zinc flake coatings
When applying zinc flake coatings according to this DBL is DBL 8440 and there in particular the section "materials in the strength range ≥ 1000 N / mm2" observed.
From the supplied screws Company is in cooperation with the coaters expected, component based , the required minimum coating system mass (eg,> 30 g / m2) is defined as a default. Compliance with this requirement must be checked regularly.
The coater must the coating process with zinc flake coatings and drying and baking process of these layers, to the extent possible, follow and regulate by continuous measurement of the process parameters. This includes, among many other parameters, such as temperature measurements at different process points, the measurement of the humidity in the drying processes of zinc flake coatings, water-based and a pursuit of the viscosity of the coating liquids through appropriate measures.
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