PRODUCTS FOR THE PROTECTION OF CONTINUOUS CAST MOULDS FOR CAST-IRON PIPES

摘要

A powder product for the protection of centrifugal casting molds for cast iron pipes includes an inoculating metal alloy and possibly mineral powders, and a strongly reducing metal that is volatile at the temperature of the liquid cast iron. The use of products according to the invention prevents accumulation of dirt on molds and improves the surface condition of the cast iron pipes.