Phosphate binders in refractories for steelcasting

Nozzles for steelcasting are more durable when produced with an aluminochromophosphate binder than with an aluminophosphate binder, the reasons being the more favorable conditions for the preparation of the batch and the state of the bond during firing and in the steelcasting process. Nozzles containing ACPB No. 2 binder should also be produced and tested on an industrial scale.