Diamond paste is a polishing compound made of finely ground diamond particles and liquid. It can be used to sharpen and polish various tools and surfaces, including metals, ceramics, and glass. Different grit sizes are available, and it can be applied with a polishing cloth or strop. Polycrystalline diamond paste is recommended for difficult-to-polish materials.
Diamond paste is a type of polishing compound made up of finely ground or powdered diamond particles and some type of liquid, usually water-based. The diamond dust itself is simply a paste without any water or other liquid binding agents. It can come in a syringe for more precise application, or even in a small spray bottle. Some manufacturers produce pastes with different grit sizes in specific colors. Color coding can make it easier to select the correct grit size for the surface to be polished.
This compound can be used to polish or sharpen a variety of tools and surfaces. Diamond paste is recommended for fine polishing of various metals, including metal blades and other metal surfaces. In the case of a metal blade, of course, the paste not only polishes the flat surface of the blade, but also finely sharpens the cutting surface. The diamond paste is suitable for use on ceramic, glass and mineral surfaces. It can also be used to clean surfaces made with the aforementioned materials.
Using diamond compound to sharpen a metal tool is considered the best way to get the sharpest edge possible. When used in this way, it can also be called diamond lapping paste, which is available in different types with different grain sizes. Grit size is measured in microns, so a micron diamond paste is a paste with particles of grit that are one micron wide. One micron is equal to one millionth of a meter or 0.00003937 inches. The smaller the grit, the finer the edge will be sharpened.
The diamond paste can be applied with a polishing cloth. To help distribute the paste evenly on the polishing cloth, you can use a product called diamond polishing extension liquid. This, in turn, ensures a more even polish. Diamond paste can also be used with a tool called a strop, although this is less common. A strop is a portable, flat, paddle-like tool made of synthetic material. The strop is flat and even, perhaps with rounded edges. The polishing substance is applied to the blade of a tool and rubbed against the flat surface of the strop.
Difficult-to-polish materials may require a specific type known as polycrystalline diamond paste. This differs from the typical single crystal paste in that the diamond grain particles have a different shape. Single crystal grain particles are flatter in shape and have fewer cutting edges, and these edges are longer. The polycrystalline particles are faceted and spherical in shape. This simply means that the particles in a polycrystalline paste have more edges.
Sharper on the diamond particles create a more abrasive grit than that of other pastes. Diamond paste with a polycrystalline grit can be used to clean a surface, then followed by one with a single crystal grit for a finer polish.
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