Precision Casting

Quality materials for Precision Casting

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We supply a wide range of minerals used in precision casting for the formulation of primary and secondary slurries, outer shell insulation and shell repair. These products include Mullite 55 (alumino silicate), Fused Silica and Zircon.


Mullite 55

Mullite 55 Precision Casting Dupré Minerals Limited supplies a range of materials which have been chosen specifically for the investment casting and refractory industries. Mullite...



Rhoseal Precision Casting Application Rhoseal (L589D) is supplied as a dry powder which when mixed with a solution of Prosol (M061) liquid rapidly sets as...

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Silroc – Fire Putty

Silroc – Fire Putty Precision Casting Application Silroc is a ready-to-use, plastic refractory putty/mouldable. Chemical Composition Silroc is a very low iron, siliceous product having...

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Zirconium Silicate

Zirconium Silicate Friction Products The highest purity Zircon or Zirconium Silicate can be found in deposits close to the American, Australian and South African coasts. ...