Sierra Metals Inc. - Sierra Metals to Invest US$28 Million
The purpose of this International Standard is to provide a basis for the testing of magnetite for use in coal preparation. It is intended for use by contracting parties in the sale and purchase of magnetite and for coal preparation engineers engaged in the design and quality control fields.Sep 14, 2021 Manufacturer of iron oxides and minerals including high grade ferrimagnetic magnetite. Capabilities include integrated sourcing, operations and logistics. Suitable for dense media separation, fertilizers, micronutrients, brakes and friction, magnetic fluids, power plant emission control, castings, molds, paints, pigments and heavyweight concrete.