Asbestos refers to a collection of six naturally oavailable silicate minerals. All the six minerals have eponymous asbestiform habit in common. That implies that the crystals have long, thin fibrous crystals that contain several millions of microscopic fibrils each. Processes such as abrasion usually lead to the release of these fibrils into the air. When in need of asbestos Chicago is the best location to visit.
Color is usually based upon when classifying this material. The five main colors are red, blue, brown, white, and green. The science of mining this material dates as far back as four millenniums. During that time, people only engaged in the activity on small-scales. Large-scale mining only began at the advent of the 19th century. This was triggered by the discovery of the desirable characteristics of the material.
Some of the desirable features that led to the increased consumption of the materials are average tensile strength, affordability, sound absorption, and resistance to electricity, heat, and fire. The insulation properties of the material led to its use as insulation in buildings and in electrical insulation. Use of this material as fire resistant material requires that it be mixed into cement or it be woven to make mats or fabric.
The qualities named above made the material very popular in the construction industry and in making household as well as industrial appliances. In homes, it was used to make walls and ceiling boards. Popularity continued to rise throughout the twentieth century until when it was discovered that the material caused several medical conditions when inhaled over prolonged periods of time. This made many governments to outlaw the use of the material in construction and many other applications.
Two major types of asbestos exist today. The two categories are serpentine and amphibole and each has various types. Chrysotile is the only individual classified under serpentile. In exists in various places around the world in serpentinite rocks. When observed under microscope, this rock indicates to have white fibers.
In the United States, chrysotile leads in terms of use in all applications. Over 95 percent of all instances where the material is used is chrysotile. Chrysotile can be woven to produce fabric because it is more flexible than amphobile. It dominated in making of roofs, cement, ceilings, floors, walls, and especially in outdoor environments. Additional items that are produced from chrysotile are fire barriers, pipe insulations, high-temperature equipment, brake linings, floor tiles, gaskets, and residential shingles.
Members classified under amphibole class are amosite, anthophyllite, actinolite, tremolite, and crocidolite. Amosite is brown in color and is largely manufactured in South Africa. Crocidolite is fibrous in nature and occurs in huge amounts in Bolivia, Australia, and Southern Africa. Crocidolite appears blue in color when observed under microscope.
It is now public knowledge that asbestos is a carcinogen to people and even animals. There are many serious health hazards that the substance is linked to. Amosite and crocidolite get considered to be the most dangerous to human health. The others are also just as dangerous. Asbestosis and malignant mesothelioma is caused in people by chryotile.
Color is usually based upon when classifying this material. The five main colors are red, blue, brown, white, and green. The science of mining this material dates as far back as four millenniums. During that time, people only engaged in the activity on small-scales. Large-scale mining only began at the advent of the 19th century. This was triggered by the discovery of the desirable characteristics of the material.
Some of the desirable features that led to the increased consumption of the materials are average tensile strength, affordability, sound absorption, and resistance to electricity, heat, and fire. The insulation properties of the material led to its use as insulation in buildings and in electrical insulation. Use of this material as fire resistant material requires that it be mixed into cement or it be woven to make mats or fabric.
The qualities named above made the material very popular in the construction industry and in making household as well as industrial appliances. In homes, it was used to make walls and ceiling boards. Popularity continued to rise throughout the twentieth century until when it was discovered that the material caused several medical conditions when inhaled over prolonged periods of time. This made many governments to outlaw the use of the material in construction and many other applications.
Two major types of asbestos exist today. The two categories are serpentine and amphibole and each has various types. Chrysotile is the only individual classified under serpentile. In exists in various places around the world in serpentinite rocks. When observed under microscope, this rock indicates to have white fibers.
In the United States, chrysotile leads in terms of use in all applications. Over 95 percent of all instances where the material is used is chrysotile. Chrysotile can be woven to produce fabric because it is more flexible than amphobile. It dominated in making of roofs, cement, ceilings, floors, walls, and especially in outdoor environments. Additional items that are produced from chrysotile are fire barriers, pipe insulations, high-temperature equipment, brake linings, floor tiles, gaskets, and residential shingles.
Members classified under amphibole class are amosite, anthophyllite, actinolite, tremolite, and crocidolite. Amosite is brown in color and is largely manufactured in South Africa. Crocidolite is fibrous in nature and occurs in huge amounts in Bolivia, Australia, and Southern Africa. Crocidolite appears blue in color when observed under microscope.
It is now public knowledge that asbestos is a carcinogen to people and even animals. There are many serious health hazards that the substance is linked to. Amosite and crocidolite get considered to be the most dangerous to human health. The others are also just as dangerous. Asbestosis and malignant mesothelioma is caused in people by chryotile.
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