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DMT Dia-Paste Diamond Compound Kit



 
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DMT Dia-Paste Diamond Compound Kit of 1, 3, and 6 Microns


TIPS FOR USING DIAMOND PASTE - By Garrett Hack, Fine Furniture Maker

Whatever your sharpening methods, diamond paste can improve the results. It speeds sharpening, and with the fine grits available, allows honing or stropping very keen edges that last a long time. In addition, you can sharpen curved edges such as carving tools with custom shaped hardwood blocks impregnated with diamond paste.

Today, it is common to buy a high quality tool that uses A2 or similar tool steel for the blade. All of the advantages that these steels offer - holding it's sharpness two or three times longer than common tools steels and the ability to hold up to very hard woods also make the steel more difficult to sharpen. The steel is not necessarily harder, but far tougher. Where diamond paste really shines is in making a hone or strop for finishing an edge to a very fine polish which will be sharper and stay that way longer.

Common strops are leather with some sort of fine abrasive worked into the surface. The problem with them is that the surface is soft and the cutting edge can sink in just enough to actually round the cutting edge. Far better is a series of flat pieces of close-grained hardwood such as Cherry or Maple smeared with tiny dabs of diamond paste in 6, 3 and 1 micron sizes. Lubricate your strop with some oil or kerosene and use it as you would your sharpening stone.

You may occasionally dig in on a forward stroke but there is no damage to your edge because the wood is softer than the edge you are sharpening. Take care to clean the tool thoroughly before going to a finer micron paste so as not to contaminate the next strop. This technique is easy to learn. When a strop becomes worn, make another. You will notice how the polish on the back and the bevel of your tools is far more like a mirror off the diamond paste hone. It ought to be, those one micron diamonds are only 0.000039 in.!

    Directions for use:

  1. Dia-Paste works best when the tool has been sharpened/ flattened from coarse to fine grit diamond plates or waterstones
  2. Choose a lapping surface such as cast iron, glass, MDF (Medium Density Fiberboard), close grained hardwoods, topgrain leather, etc. Split leather commonly offered for chrome oxide or rough stropping is not recommended, as diamond compound can be excessively soaked up by the nap. The lapping surface is primarily a personal preference. You will need separate surfaces for each grit compound. carefully label each surface as all compound grits, regardless of original color will turn black with use.
  3. Use only 2-3 drops of the compound at a time.
  4. Apply even pressure throughout sharpening. You may need to use more pressure polishing than sharpening on DMTĀ® stone.
  5. One application of 2-3 drops should sharpen numerous tools.
  6. USE EXTREME CARE to NOT mix the compound grits. Thoroughly clean the tool before moving to a different size compound.
  7. For best results, work through the compound sizes from 6 micron to 3 micron to 1 micron. It is time to move to the next grit when you have achieved a uniform scratch pattern.>
  8. Test for a mirror finish, hold an object, such as a ruler, perpendicular to the tool and see how well you can read the reflection in the tool. (Any distortion indicates a non-flat surface)
  9. Store your lapping surface in clean dry environment, such as a zip lock bag. When stored properly, the surface will be ready to use next time without applying more compound. Take care not to expose the surface to dirt dust and especially sawdust.
DMT Dia-Paste

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