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abrasive |
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abrasive, material used to grind, smooth, cut, or polish another substance. Natural abrasives include sand sand, rock material occurring in the form of loose, rounded or angular grains, varying in size from .06 mm to 2 mm in diameter, the particles being smaller than those of gravel and larger than those of silt or clay . ..... Click the link for more information. , pumice pumice (pŭm`ĭs), volcanic glass formed by the solidification of lava that is permeated with gas bubbles. ..... Click the link for more information. , corundum corundum (kərŭn`dəm), mineral, aluminum oxide, Al2O3. ..... Click the link for more information. , and ground quartz quartz, one of the commonest of all rock-forming minerals and one of the most important constituents of the earth's crust. Chemically, it is silicon dioxide, SiO2. ..... Click the link for more information. . Carborundum (silicon carbide silicon carbide, chemical compound, SiC, that forms extremely hard, dark, iridescent crystals that are insoluble in water and other common solvents. Widely used as an abrasive, it is marketed under such familiar trade names as Carborundum and Crystolon. ..... Click the link for more information. ) and alumina alumina (əl ..... Click the link for more information. (aluminum oxide) are important synthetically produced abrasives. The hardest abrasives are natural or synthetic diamonds diamond, mineral, one of two crystalline forms of the element carbon (see allotropy ), the hardest natural substance known, used as a gem and in industry. Properties..... Click the link for more information. , used in the form of dust or minuscule stones. |
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? Mentioned in | ? References in periodicals archive | ||
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| RIM system reinforced foam with special mix
head of abrasive material. Many buckets designed for use in the C&D
industry are manufactured with extra wear plates to help them stand up
to the demanding and often abrasive material, says Nichols. Improved joints and the addition of abrasive materials, such as
zirconia and ceramic to the abrasive mix, also have improved belt life. |
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abrasive material
