Although, Petrobond and clay dust sands share several properties in common, coal dust according to a recent study has been shown to possess some characteristics that gives it an upper hand in a casting process.
Coal dust is the powdered variety of coal created by pulverization or grinding of coal into fine and smooth grains. Lets examine its applications.
Chrome sand is a naturally occurring mineral which has applications in heavy duty grey iron and steel foundries, lets see how.