Standard Specification for Limestone for Dusting of Coal Mines
NORMA vydána dne 1.7.2022
Označení normy: ASTM C737-22
Datum vydání normy: 1.7.2022
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
This specification covers limestone suitable for use as dust in coal mines to prevent coal dust explosions. The limestone shall conform to the chemical composition requirements prescribed. The chemical analysis and the particle size analysis of the limestone shall be conducted.
Keywords:
coal mines, combustible matter, dolomitic limestone, high calcium limestone, limestone, limestone dust, loss on ignition (LOI), low temperature ash (LTA), mine explosions, moisture content, silica content ,, ICS Number Code 73.020 (Mining and quarrying)