Manufacturer's Description (English follows):
 A Warpaints effect with a very matte formulation. Dry Rust is an orange brown paint pattern for painting over areas depicting old rust. Use the stippling technique with an old paintbrush or a dry paintbrush and add a bit of dry rust to your metals.
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 An Effects Warpaints with a very matt formulation. Dry rust is a orangy-brown paint design for painting on areas representing old rust. Use the stippling technique with an old brush or a drybrush and add a little Dry Rust on top of your metallics.