Mix the powder with Powertex or Easy Sturcture and spread with pallet knife or brush. Spray a mix of water and vinegar on the wet surface and repeat as much as necessary. Let dry 24h or more. You obain a rust paste by mixing Easy Structure with Rusty Powder and a dash of vinegar.
Or mix Powertex with 3DSand, Rusty Powder and a dash of vinegar - this results will give a coarser paste and a rough rust effect.
Go to our 'Tips & Techniques' section to download full instructions on how to use this product.