Asbestos Ore Crusher

Author:liming   Post Date:2011-12-5

Asbestos refers to a small number of minerals that are formed of flexible fibers, and have the useful physical property of being very heat resistant. Because asbestos forms as flexible fibers, it is woven to make fabrics for heat-resistant and insulating materials.

Chrysotile asbestos, the fibrous variety of the mineral serpentine, is by far the most important type of asbestos. It forms in metamorphic rock, that is, rock that has been altered by intense heat and pressure. Asbestos can be subdivided into two major classifications of minerals: amphiboles and serpentines. All but one form, chrysotile, are amphiboles. Chrysotile is a serpentine. Both amphibole asbestos and serpentine asbestos are fibrous, but they have very different forms. The amphiboles are double-chain silicates also called inosilicates.

Chrysotile is very flexible and less likely to be "friable" than the amphiboles. Friability of asbestos is generally defined as the ability to easily be turned into a dust with finger pressure. It is this friability that releases asbestos fibers into the atmosphere and results in health problems.

Asbestos has a host of physical properties that make it almost a superstar in the world of industrial chemistry. Its tensile strength surpasses that of steel. It has tremendous thermal stability, thermal and electrical resistance and is non-flammable. It can be subdivided into fine fibers that are strong enough and flexible enough to be spun into material that is a flame retardant, chemically inert thermal and electrical insulator. Note that asbestos binds with better insulating materials to create the ultimate construction materials.

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