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ASTM C295 – Standard Guide for Petrographic Examination of Aggregates for Concrete


This guide outlines procedures for the petrographic examination of samples representative of materials proposed for use as aggregates in cementitious mixtures or as raw materials for use in production of such aggregates.

This guide outlines the extent to which petrographic techniques should be used, the selection of properties that should be looked for, and the manner in which such techniques may be employed in the examination of samples of aggregates for concrete.


aggregate; analysis; composition; crushed rock; crushed stone; examination; ledge rock; manufacture sand; natural sand; petrography; quarry

ASTM C295 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM C295 standard.

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