GSO ASTM C452:2024
Gulf Standard
Current Edition
·
Approved on
25 April 2024
·
Standard Test Method for Potential Expansion of Portland-Cement Mortars Exposed to Sulfate
GSO ASTM C452:2024 Files
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GSO ASTM C452:2024 Scope
1.1 This test method, which is applicable only to portland
cements, covers the determination of the expansion of mortar
bars made from a mixture of portland cement and gypsum in
such proportions that the mixture has a sulfur trioxide (SO3)
content of 7.0 mass %.
1.2 The 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. Values in SI units [or inch-pound units] shall
be obtained by measurement in SI units [or inch pound units]
or by appropriate conversion, using the Rules for Conversion
and Rounding given in IEEE/ASTM SI 10, of measurements
made in other units (or SI units). Values are stated in only SI
units when inch-pound units 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
(Warning—Fresh hydraulic cementitious mixtures are caustic
and may cause chemical burns to skin and tissue upon
prolonged exposure.)
2
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
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