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Particle Density (specific gravity) and Water Absorption for Fine Aggregates

Method for aggregate 20 mm and smaller The gas jar method described in BS 812 is suitable for all aggregates smaller than 20 mm in size and is particularly suited to friable aggregates. The pyknometer method described in ASTM C128 is suitable for determining the particle density of samples of fine aggregates. The particle density of fillers can be determined using the density bottle method specified for testing cement.

Sand Absorption Cone

Made of brass to the dimensions given in BS 812, ASTM C128 and AASHTO T84.

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42-1700

Tamping Rod

For use with cone. Tamping face is 25mm diameter and complies with BS 812, ASTM C128 and AASHTO T84.

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42-1720