ASTM C09 standard covers calcium carbonate, mineral fillers

Sources: ASTM International, West Conshohocken, Pa.; CP staff

ASTM Committee C09 on Concrete and Concrete Aggregates’ latest standard, C1797, Specification for Ground Calcium Carbonate and Aggregate Mineral Fillers for Use in Hydraulic Cement Concrete, addresses limestone and similar materials exhibiting potential to improve mix characteristics and hardened structure performance.

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