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from the Curimbaba GroupYour Best Source for Industrial Minerals

Investment Casting

US Electrofused Minerals offers a wide range of products in various particle shapes, particle sizes and density to meet all of your requirements.

Products for the Investment Casting market include:

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Fused Mullite

  • MUB

    MUB is a fused mullite obtained from fusion of high purity sand and alumina in an electric arc furnace. It presents low thermal expansion and high thermal shock resistance that make MUB an excellent material for investment casting shells.

  • MUBS

    MUBS is a fused mullite obtained from fusion of silica sand and alumina in an electric arc furnace. It is less pure than MUB but also presents low thermal expansion and high thermal shock resistance that make MUBS an excellent material for investment casting shells.

  • MUBW

    MUBW is an extremely pure fused mullite obtained from fusion of silica sand and alumina in an electric arc furnace. It presents low iron contamination, low thermal expansion, high thermal shock resistance and high temperature strength. It is an excellent material for investment casting shells.

White Fused Alumina

  • AL

    AL is a white aluminum oxide obtained from the fusion of calcined alumina in electric arc furnaces. It is recommended for investment cast shells (slurry & stucco) where purity, chemical stability & high refractoriness is an issue to be considered.

Brown Fused Alumina

  • BTUS

    BTUS is crushed and sized in the USA. Due to its high toughness, BTUS is recommended for use as a blasting abrasive for cleaning and surface preparation of the castings.

Silicon Carbide

  • ELECTROCARB┬« Black Silicon Carbide

    Ideal for a wide variety of applications including investment casting shells, blasting grain for cleaning castings, and more.