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Diamond product use and classification

  • Author:bourne
  • Source:Boreway machinery
  • Release on:2015-11-03
Diamond product classification is very complex, can be divided into hundreds grades, is according to the size of diamond products, crystal shape, color and quality classification, quality "in order to achieve the purpose of economic evaluation on the right. Generally divided into two categories: decorative diamond and diamonds used in industry. 

1. Decorate with diamond High-quality natural diamond (diamond) require luster bright, transparent and clear, no inclusions. Therefore, the diamond color and transparency and crystal size is as the main quality grade standard of diamond. Colorless, transparent and pure person are of high quality fine quality; For pure and transparent with blue and yellow; Some color is very thick, dark like "blue diamond", "diamond", "black diamond" for rare treasures. Granularity of standard is: gem grade one is greater than 6.00 ct/grain, gem second is greater than 3.00 ct/grains. With the development of science and technology, all kinds of artificial gems (such as cubic zirconia) appeared, its products reach the level of real ones, often need to be with the aid of various test instruments to verify its authenticity.

2. Industrial diamond products Ⅰ type of natural diamond, the main advantage of the characteristics of their high hard, high wear resistance, the diamond Ⅱ type, mainly use their good thermal conductivity and the semiconductor properties of the production of various kinds of diamond products (products). Due to China's natural diamond production rarely, industrial USES of diamond, the vast majority of synthetic diamond, scribe lines used in wire drawing die, lathe tool, knife, indenter, geology and petroleum drill bit, grinding wheel knife, glass cutter, diamond pen, dresser, abrasive tool etc. Synthetic diamond varieties according to the national standard (GB/T6405-94) is divided into six types: RVD used for resin, ceramic bond products; MBD used in metal bond grinding tools, sawing, drilling tools and electroplated products; SCD used for resin bond grinding wheels; SMD tools used for cutting, drilling and repair; DMD is used to trimming tools; M - SD for hard brittle materials fine grinding, lapping, polishing, etc.