Foundry Sand AFS 30-40 is mainly used for molding, welding, hardware application and casting purpose. This substance is composed of up to 7% moisture, 0.5% clay, 1.0% to 1.5% aluminium oxide, 1.0% to 1.5% ferric oxide and 96% to 98% silicon dioxide. Offered substance enhances casting quality. Particle size and shape of Foundry Sand AFS 30-40 can be controlled easily and it possess unique refractory attributes. It is considered as environment friendly material and is used as suitable alternative to pearl sand and quartz sand. It is simple to clean and has unique strength. This sand is recyclable by nature.