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Paint spraying technique: The most important things to know for optimal coating results
- Closely observe our viscosity recommendation. Viscosity - how quickly a material flows. You measure it using the WAGNER viscosity measuring cup: thin the color following the manufacturer's instructions (start with little thinner at first - it's better to add more if necessary). Stir paint thoroughly. Immerse the measuring cup over the rim. Retrieve the cup from the paint and measure the time in seconds until the paint thread while draining is interrupted. This drain time is called DIN-s.
Example: W 640 sprays materials up to 35 DIN-s / W 650 up to 45 DIN-s / W 850 E up to 50 DIN-s.
- The surfaces to be covered need to be clean, dry, free of dust, fat - and in the case of metals rust. The micro-thin atomized paint particles settle on the surface to form a wafer-thin film.
- Practice with sample pieces before working on the actual object. This is how you can learn a lot about optimal output settings and the different spray jet settings.
- When using solvent-based paints make sure that there is a good air circulation. Use respiration protection if necessary. Prior to making your purchase you might also want to think about suitable waste management.
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