This specification covers aggregate for use in masonry mortar. Aggregate for use in masonry mortar shall consist of natural sand or manufactured sand. Manufactured sand is the product obtained by crushing stone, gravel, or air-cooled iron blast-furnace slag specially processed to ensure suitable gradation. Aggregate for use in masonry mortar shall be graded within the limits prescribed. The amount of deleterious substances in aggregate for masonry mortar is determined based on independent samples complying with the grading requirements. Except as herein provided, aggregate subjected to five cycles of the soundness test shall show a loss, weighted in accordance with the grading of a sample complying with the limitations set forth. A density test shall be performed. The air content of mortars shall be calculated.
WJE laboratories are accredited by ANAB (ISO/IEC 17025) to perform testing standard ASTM C144 for Aggregate for Masonry Mortar.
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KeywordsC144 - Aggregates - Masonry - Mortars - Performance Characteristics - Sand
ICS CODE91.100.10 (Cement. Gypsum. Lime. Mortar.)
UNSPSC CODE30111800 (Aggregates); 30111504 (Mortars)
ASTM C144-18, Standard Specification for Aggregate for Masonry Mortar, ASTM International, West Conshohocken, PA, 2018, www.astm.org