CBN Stropping Paste

CBN Stropping Paste

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Tags: Stropping compounds, Diamond, Paste


CBN Compound is the very effective method of honing and polishing the cutting edge of the knife. CBN (Cubic Boron Nitride) is the second hardest material after diamond.

CBN's qualities include its high levels of high hardness, strength, abrasion resistance, and thermal and chemical resistance. These characteristics exceed the values of synthetic diamonds and conventional abrasives such as silicon carbide and aluminum oxide. In particular, CBN's high thermal stability and chemical resistance make it suitable for sharpening in conditions where synthetic diamonds are not normally employed.


  • Product size: 40 x 40 x 55 mm (1½" x 1½" x 2⅛")
  • Weight: 40 g (1.4 oz)
  • Shipping weight: 52 g (1.8 oz)
  • CBN carat weight: 4 carat
  • Form: paste
  • Package: screw cap plastic container

How to use

CBN Compound can be used with any strop made of smooth or coarse leather, balsa or felt. Smooth leather is best strop material for CBN compound.

CBN Compound does not require any preparations. However, you can experience difficulty to take the compound from the container if your air temperature is below 20°C (68°F). In such case, you can slightly warm compound to make it molten. Take a small amount of compound and evenly distribute it to a surface of the strop.

You will not be able to fully remove the compound after applying it to the strop. If you want to use your strop both with and without compound, you must, therefore, keep one side clean. If you want to switch between one compound and another, consider buying an extra strop.

Compound residue accumulates in the leather during stropping. If stropping performance gets worse, remove the residue with a knife spine or special tool, and apply the fresh compound.

Appointment gives a mirror superglow on alloy and hardened steels
Consistency Paste
Grain size (μm) 0,25/0 - 60/40
Mass fraction of elbor 4.0-16 carats
Material Elbor
Packaging Plastic can
Manufacturer Poltava Diamond Tools
Weight 40 g
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