It is zircon water base paint generally used in jobbing foundries both iron & steel where organic binders are used as sand binders.
Due to its unique thixotropic property it prevents runs and drips yet allow the paint to flow easily from the brush. It contains high refractory loading & excellent covering power.
It is used in for the production of ingot moulds cast in organic resin bonded sand and for many type of steel valves.