1. Dry pigments (granular solids)
2. Alcohol (solvent that makes paint easier to apply)
2. Alcohol (solvent that makes paint easier to apply)
3. Linseed oil (resin that helps paint dry)
4. Calcium carbonate (an additive - fillers give the paint body and substance)
Process
Pigment is premixed with resin (a wetting agent that assists in moistening the pigment), solvent, and additive to form a paste. The paste mixture is put into a sand mill (a large cylinder that agitates tiny particles of sand or silica) to grind the pigment particles, making them smaller and dispersing them throughout the mixture. The mixture is then filtered to remove the sand particles. Mixture is thinned by agitating with the proper amount of solvent to produce the final product.
Product
Paint
Used for
Covering a surface (for the purpose of colouring it, protecting it or treating it)
Production facility
Sydney, NSW
Export
Luanda, Angola
Production facility
Sydney, NSW
Export
Luanda, Angola
Interesting product! Again, as in glasses and soaps there are many types of paints! They are paint for metals, for wood, fungus resistant paints, oil paints, water soluble paints, among others. What type of paints produced again depend on the raw materials.
ReplyDeleteThe most interesting step in your production of paint, as I have noticed, is the way you grind the pigment particles. I never did know that there is such a thing as a sand mill!!! Brilliant technique of milling!!!
Our research centre, also use grinders and millers using steel balls, steel rods, porcelain balls (like you took from the clay lab sometime ago), agate balls, among others but never have I heard of sand being a milling agent! Something to be noted here.