Key Products. Foundry. I used a 1-gallon … General-purpose castable refractory cement. Cart 0. The first three components are mixed together thoroughly. ... Calderys is the world’s leading provider of refractory solutions for both ferrous and non-ferrous foundries, combining innovative … 1800 degree rating is required for melting brass. Your Source for Precious Metal Casting Supplies & Jewelry Tools (855) 298-7627. Ironmaking. Recently added item(s) You have no items in your shopping cart. The refractory mix is composed of Portland cement (1.5 parts), silica sand (2 parts), perlite (1.5 parts) and fireclay (2 parts). Equipment. Ideal … Cement. Alternatives for refractory cement include red clay bricks (solid bricks), fire brick (also known as refractory … Alternatives for refractory cement. The fire cement should be rated at 1400 degrees or higher. The Naval Foundry and Propeller Center (NFPC) in Philadelphia, a detachment of Norfolk Naval Shipyard, initiated iron casting for components to be used in production of a Columbia-class submarine in late August.“This casting … Global Refractory Solutions Corporate Headquarters: Columbus, Ohio, USA | +1-614-876-0244 | firstname.lastname@example.org CASTABLES for FOUNDRY DENSE - NO CEMENT Product Al 2 O 3 % SiO 2 % … Key Services.