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ASTM
ASTM C 737 : 1997

ASTM C 737 : 1997

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Specification for Limestone for Dusting of Coal Mines

Superseded date

11-11-2014

Published date

10-06-1997

Publisher

American Society for Testing and Materials

Committee
C 07
DocumentType
Standard
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

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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