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from the Curimbaba GroupYour Best Source for Industrial Minerals

Bonded Abrasives

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 Bonded Abrasives include:

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Brown Fused Alumina

  • BTUS

    Crushed and sized in the USA. Due to its high toughness, BTUS is recommended for use in grinding wheels, cutoff wheels, points, blasting abrasives, etc...

  • BT - R

    Due to its high toughness, is recommended for high performance grinding wheels.

  • BTCAL - R

    BTCAL is heat treated in a rotary kiln at high temperatures and magnetic treated. These procedures guarantee low iron content and high toughness. BTCAL is recommended for high performance grinding wheels.

  • MAXCAL - R (Low Titania BFA)

    MAXCAL is a special brown fused aluminum oxide developed for high performance abrasive products. MAXCAL is low titania content product, heat treated in a rotary kiln at high temperatures and magnetic treated. These procedures guarantee low iron content and excellent grit stability.

  • MAXCAL - R (Low Titania BFA)

    MAXCAL is a special brown fused aluminum oxide developed for high performance abrasive products. MAXCAL is low titania content product, heat treated in a rotary kiln at high temperatures and magnetic treated. These procedures guarantee low iron content and excellent grit stability.

  • ALOMAX - R (Semi-Friable BFA)

    ALOMAX is a semi friable brown fused aluminum oxide that presents good toughness and excellent abrasion properties and is recommended for high performance bonded abrasives.

  • SFAR- R (Semi-Friable BFA)

    SFAR is a semi-friable brown fused aluminum oxide. In order to improve its quality, this material is calcined and presents low dust content. It is recommended for high performance bonded abrasives.

  • SFARBF- R (Semi-Friable BFA)

    SFARBF is a semi-friable brown fused aluminum oxide. SFARBF is heat treated in high temperatures and these procedures guarantee stress relief and high toughness. SFARBF is recommended for high performance grinding wheels.

  • TB - R (Friable BFA)

    TB is a friable brown fused aluminum oxide. TB presents an excellent cost/benefit relation, being recommended for resin-bonded abrasives and cut-off wheels.

White Fused Alumina

  • AL - R

    AL - R, a white fused aluminum oxide, presents high purity and high capacity of edge reposition. AL - R is recommended for special applications where contamination is an issue to be considered.

Pink Fused Alumina

  • RU - R

    RU - R is a pink aluminum oxide obtained by fusion of calcined alumina and chrome ore in electric arc furnaces. Its high purity and self-edged reposition characteristic makes RU a special product for vitrified grinding wheels.

Ruby Fused Alumina

  • RUHC - R

    RUHC - R is a dark pink aluminum oxide obtained by fusion of calcined alumina and chrome ore in electric arc furnaces. Its high purity and self-edged reposition characteristics make RUHC a special product for vitrified grinding wheels.

Silicon Carbide

  • ELECTROCARB® Black Silicon Carbide

    Abrasive-Grade Black Silicon Carbide ideal for vitrified and resinoid grinding wheels.

  • Green Silicon Carbide

    High-Purity Green Silicon Carbide ideal for use in vitrified & resinoid grinding wheels.