Gringing micropowders for extra-hard materials
- diamond powders for polishing,
- diamond micropowders
- precision diamond micropowders,
- oval diamond micropowders,
- diamond powders special classification,
- non-magnetic diamond powders,
- cubic boron nitride grinding powders,
- coverage powders,
Synthetic diamond powders produced according to GOST 9206-80 standard are intended for the production grinding tools and the essential ingredient of suspensions and polishing pastes.
Diamond powder is a mixture of different sizes and forms of diamond grains in the form of single crystals and their fragments, adhesions and polycrystal.
Depending on the size of grains and how they receive diamond powders are divided into:
- grinding powder – grain size from 2500/2000 to 40 microns,
- micropowders – grain size from 60 up to 1 micron,
- submicron powders – grains size from 1 up to 0.1 micron and smaller
Characteristic feature of the diamond powder is its composition, or percentage of the basic fraction (the so-called matrix) and the largest and the smallest grains. This figure is given in%, except that in the case of powder grinding as it relates to weight the various factions, for micropowders- quantity of grains.
In Table 1 and Table 2 presents the characteristics and distribution of grain size fractions.
|Type of diamond powder||Grain size||The largest grains, not more than [%]||Basic grains, no less than [%]||Ultra fine grains, not more than [%]|
|Diamond powder type||Characteristic||Granularity||Application|
|AS2||Made of synthetic diamond with high tensile stress, grain in teams with highly developed surface||160/125-50/40||Tools of the organic binder used for the accurate processing of sintered carbide and steel|
|AS4||Made of synthetic diamond grains in teams and adhesion||200/160-50/40||Tools of the organic binder used in the treatment of sintered carbide, ceramics and other brittle materials|
|AS6||Made from the debris and adhesion of synthetic diamond grains||250/200-50/40||Tools of the metallic binder, working under the increased loads|
|AS15||Made of synthetic diamond grains, debris and adhesions||315/250-50/40||Tools of the binder metal working under severe conditions|
|ARW1||Made of synthetic polycrystalline grains obtained in the process of crushing the diamond-type “Wallas”||2500/2000-50/40||Tools used for machining glass, grinding titanium alloys, iron pretreatment|
|ASM||Made of synthetic diamond grains on the normal capacity of abrasive||60/40-1/0||Polishing details and appliances of hardened steel, alloys, ceramics, glass, semiconductors and other materials|
|ASN||Made of synthetic diamonds c grain fraction content increased with increased capacity abrasive||60/40-1/0||Initial and final polishing of hard and very tough, hard-material, alumina, ceramics, diamond, gemstones|