ASTM C 1329 - 05 Standard Specification for Mortar Cement

2005. Published October 2005. 4 p. This specification covers three types of mortar cement for use where mortar for masonry is required.
Mortar cements are classified as Type N, S, or M, according to the physical requirements prescribed in Table 1.
Mortar cement shall conform to the applicable requirements prescribed in Table 1 for its classification.