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ASTM C452 – Standard Test Method for Potential Expansion of Portland-Cement Mortars Exposed to Sulfate


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 %.


calcium sulfate; expansion; gypsum; portland cement; sulfate resistance

ASTM C452 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the ASTM C452 standard.

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