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Adjusted bottle for routine commercial testing, fitted with ground-in perforated stopper. Capillary vent stopper design allows stopper to be inserted to fixed depth in the bottle's neck. Small hole in center of stopper allows emission of air and surplus water. Volume of the bottle has been adjusted at 20°C.
Key element in a method for conducting specific gravity/absorption determinations for aggregate.
For determining density of powdered materials — limes, slag and hydraulic cement
For determining approximate percentage of voids and surface moisture in fine aggregates
Glass flasks used in specific gravity determinations, comply with ASTM D854
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