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DPA recommends natural and synthetic diamond testing instruments
An association of eight diamond mining companies around the world collected more than 40 kinds of synthetic and natural diamond testing instruments from around the world in the summer of 2018 and sent them to UL Laboratory in the United States for functional testing and scoring. On March 6, 2019, the DPA website published the result data of 11 kinds of testing instruments and disclosed the sales price for diamond manufacturers around the world to select and purchase.
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2019
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Introduction to the function of the company's newly developed detector DD9
It combines DD3 and DD5 and the newly added polarization test, so it is a three-in-one portable detector.
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2019
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The successful definition of the first stage of CVD growth cultivation of diamonds is the simultaneous growth of: 1, positive white color, using a 2-inch tray reactor. 2,SI1 above the clarity. 3, grow the largest number of diamonds. 4, each seed crystal can be expanded in the growth of 1~2mm diameter.
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2021
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CVD cultivated diamonds for industrial use
Human beings have always hoped to cultivate diamonds for various industrial purposes. Up to now only the use of HPHT growth of small particles of diamond abrasive hardness, as a super hard material, made of a variety of grinding tools, used in grinding and polishing. However, in these aspects of acoustochemical electrothermal, a large area of single crystal diamond sheet material is required, which is still under development and is not really used.
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2021
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