AS 1774.21-1985 PDF
Refractories and refractory materials – Physical test methods – The determination of workability index of mouldable refractories
standard by Standards Australia, 01/01/1985
Describes the procedure for determining the workability index of a mouldable refractory by subjecting of cylindrical specimen prepared in specified manner to predetermined impacts at room temperature. Uses a modified ASTM sand rammer and specifies essential details thereof with the aid of diagrams.
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