Art Concrete Howto 1b: Mixes Makers Gallery
1 tbsp stone dust (screened, limestone or marble) 1 tbsp portland cement (grey or white) half tsp metakaolin pinch fibres (if using PVA fibres, do not use latex or acrylic, just water) (optional) 1 tsp metal filings (silver, bronze) acrylic or latex solution (as little as .