Dupré Minerals Limited supplies a range of materials which have been chosen specifically for the investment casting and refractory industries.
Mullite 55 is an exciting mineral launched by Dupré Minerals. It is of the highest quality with 46% Alumina and 51% Silica mineral content, with a low Iron, Potassium and Sodium oxide level. An exceptionally high quality material, it has a Mullite content of 52% minimum.
Mullite 55 is available both in a flour form for slurry tanks and also in a comprehensive range of crushed and graded material produced with an exceptionally low dust content specifically for the investment casting industry.