Natural fibre of asbestos belongs to two groups, viz., those which are readily active with acid (i.e., non-acid-resistant) and others that are acid-resistant.
The first group primarily consists of chrysolite asbestos which is used for industrial purposes. The second group comprises of amonite and crocidolite asbestos. The second group is not recommended for commercial use as they are said to cause diseases related to lungs. The Indian industry uses the first group asbestos. However, it is advisable to use asbestos cement products with caution and sufficient care. As a matter of fact, in some countries the use of asbestos is not allowed in buildings.
Asbestos is mixed with cement and used mostly in building industry as asbestos cement.
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