ASTM C1660-10(2018) - 1.1.2018
 
1. Scope

1.1 This specification applies to thin-bed mortar for autoclaved aerated concrete (AAC) masonry.

1.2 The testing laboratory performing these test methods shall be evaluated in accordance with Practice C1093.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 
2. Referenced Documents

C1384-23

Standard Specification for Admixtures for Masonry Mortars

C1386-07

Standard Specification for Precast Autoclaved Aerated Concrete (AAC) Wall Construction Units (Withdrawn 2013)

C1452-00

Standard Specification for Reinforced Autoclaved Aerated Concrete Elements

C1555-03

Standard Practice for Autoclaved Aerated Concrete Masonry

C1600/C1600M-25

Standard Specification for Rapid Hardening Hydraulic Cement

C1232-26a

Standard Terminology for Masonry (Includes all amendments and changes 8/20/2026).

C1329-05

Standard Specification for Mortar Cement

C91-05

Standard Specification for Masonry Cement

C144-26

Standard Specification for Aggregate for Masonry Mortar

C150-07

Standard Specification for Portland Cement

C207-24

Standard Specification for Hydrated Lime for Masonry Purposes

C595-08

Standard Specification for Blended Hydraulic Cements

C1006-07

Standard Test Method for Splitting Tensile Strength of Masonry Units

C1093-25

Standard Practice for Accreditation of Testing Agencies for Masonry

C1157-08

Standard Performance Specification for Hydraulic Cement

C1180-24

Standard Terminology of Mortar and Grout for Unit Masonry (Withdrawn 2025)