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Type C – Black Silicon Carbide

KGS Semi Flexible Black Silicon Carbide discs for soft stones and plastic materials use with angle grinders. Applications include aggressive grinding, leveling and cleaning of surface imperfections in marble, concrete, terrazzo, ceramic tiles, glass fiber and glue. Semi-flexible abrasive grinding discs are perfect for joint leveling, glue and resin removal and other cleaning applications. The red semi-flexible fiber reduces vibrations that normally occur with the use of grinding wheels, it facilitates the operator’s labor while making it more precise. Spiral pattern with cooling ridges to improve productivity and avoid loading. Semi-flexible Silicon Carbide Sanding discs must be used with the appropriate backing pad.

Black Silicon Carbide disc

On this page you will find the right information about our Semi Flexible Disc, Type C. If you need more information, please fill in the form at the right side of this page.


Proud Manufacturers of SWISS DIAMOND TECHNOLOGY®. Innovators since 1952.


  • Very fast cutting and cleaning – Non Loading
  • Low noise, very flexible, light pressure
  • Fast stock removal at large grinding angle
  • Smooth finish at small grinding angle
  • Longer life – Made with multiple layers of abrasive with superior bonding material
  • No clogging
  • Traditional Red Fiber (DRY use, flexible)
  • Shapes and holes provide “cooler grinding”
  • Available in most coarse grit sizes
  • Flexible or rigid depending on the body
  • Different body material available
    • Traditional Red Fiber (DRY use, flexible in combination with back-up pad)
    • Fiberglass (WET or Dry use, rigid)


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      Product specifications

      Abrasive type
      Type of abrasive
      “C” Black Silicon Carbide
      Available Grits
      16, 24, 36, 60, 80, 120,
      Application suitable for
      Semi flexible discs with this type abrasive are suitable for use on marble, granite terazzo, concrete, fiberglass bodies mastic, glue, and coating removal.
      Backer type
      "RF" Red Fiber for dry use of semi flexible disc. Very flexible Back-up pad required
      “FG” Fiber Glass for wet or dry use. More rigid. No Back-up pad required.
      Shape type

      "FL" Flat, Type 27

      “FL+” Flat with holes, Type 27

      "B+ Domed with holes Type 29
      Surface pattern
      “ES” Smooth cutting
      “MO” Aggressive cutting
      Body ø 115 / 4.5 “ ø 127 / 5 ” ø 178 / 7“ ø 230 / 9”
      RF / FL
      RF / FL+
      RF / B+
      FG / FL
      FG / B
      All discs have bore size 22.2 / 7/8”
      How to order?
      Diameter Abrasive Grit size Body Abrasive Shapes
      Example Ø 115 C 16 RF / FL ES
      Example Ø 178 C 60 RF/B+ MO