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Normas ASTM – AENOR
ASTM C1708-12

ASTM C1708-12

Standard Test Methods for Self-leveling Mortars Containing Hydraulic Cements

Fecha:
2012-09-17 /Historical
Superseeded by:
Significance and Use:

The test methods in this standard are used to evaluate freshly mixed properties such as the initial flow, flow retention, and healing time as well as hardened properties such as compressive strength, setting time, and flexural strength, of self-leveling mortars.

Tests are conducted under standardized conditions for comparative purposes and results are not intended to be representative of performance under field conditions.

Scope:

1.1 These test methods are appropriate to evaluate the performance of self-leveling mortars containing hydraulic cements that are used to improve the levelness, smoothness, and flatness of existing floors. These materials may be used as an underlayment to receive floor finishes, or as an overlayment to serve as the wear surface. The self-leveling mortars covered by these test methods consist of proprietary blends of hydraulic cements, along with fine aggregate, polymers, fillers, and other additives.

1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Some values have only SI units because the inch-pound equivalents are not used in practice.

1.3 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 and health practices and determine the applicability of regulatory limitations prior to use. (WarningFresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.)

Keywords:
compressive strength; dimensional stability; flow; flow retention; flexural strength; healing; healing time; hydraulic cement mortar; overlayment; self-leveling mortar; setting time; underlayment
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