Abrasive and Sandpaper Grain Types

If you would like assistance in determining the best belt material for your application:

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  • Aluminum Oxide : A/O

    Aluminum Oxide : A/O

    Aluminum Oxide is the most common & least expensive. Good starting point for most metal and wood applications.

     

  • Silicon Carbide : S/C

    Silicon Carbide : S/C

    Silicon Carbide is good for grinding glass, plastic, rubber, paint, wood products, titanium alloys and cast iron.

     

  • Zirconia Alumina : Z/A

    Zirconia Alumina : Z/A

    Zirconia Alumina is commonly referred to as Zirc or Zirconium. It is ideal for coarse to medium grit applications on metal. Works best under high pressure, which is required for the grain to fracture exposing new sharp edges.

     

  • Ceramic : C/A

    Ceramic : C/A

    Ceramic abrasives provide the longest life & fastest cut rate of all coated abrasives. They are the newest innovation in grain technology and represent the ultimate in performance, providing an aggressive cut under medium or high pressure. They also provide a more consistent Ra (surface finish) than other abrasives. Used primarily on metal applications.

    Our original “Firestorm Ceramic” grain is available in the following products: belts, resin fiber discs, quick-lock discs, flap discs, cartridge rolls, square & cross pads.

    New for 2019:  Firestorm II.  Available in belts, resin fiber discs and quick-lock discs.

  • Compact Grain : CG – A/O

    Compact Grain : CG - A/O

    Aluminum Oxide Compact Grain abrasives are a multi-layer grain product that wears down layer-by-layer ensuring long life and consistent finish. Used primarily on metal applications. Best when used with moderate pressure.

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