These liquid pigments are non toxic and lead free. They are fully intermixable water based products containing no solvent. Use them as tints in paints, glazes and textures. Pigments can be mixed with PVA binder such as Bromabond to make a paint. 30g per litre will make a strong paint or 10g per litre will make a medium paint. The Health and Safety data sheet is available from the "Health and Safety" section of this site.