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ASTM C452-15
- Standard Test Method for Potential Expansion of Portland-Cement<brk/> Mortars Exposed to Sulfate
- standard by ASTM International, 08/01/2015
- Publisher: ASTM
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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 %.