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Standard Specification for Limestone for Dusting of Coal Mines
STANDARD published on 10.6.1997
Designation standards: ASTM C737-97
Note: WITHDRAWN
Publication date standards: 10.6.1997
SKU: NS-14827
The number of pages: 1
Approximate weight : 3 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
Coal and coal products, Coal mine dusting, Lime and limestone products/testing-limestone, limestone for dusting of coal mines, spec, ICS Number Code 73.080 (Non-metalliferrous minerals)
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1.1 This specification covers limestone suitable for use as dust in coal mines to prevent coal dust explosions. Note-In coal mine operations, limestone is dusted onto coal exposures in sufficient amount so that not less than 65% of all loose dust shall be limestone. With such a concentration of limestone, explosions cannot initiate or be propagated from nearby gas explosions. The limestone must be substantially dry in order to dust satisfactorily. |
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| 2. Referenced Documents | ||||||||||
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