This specification pertains to blended hydraulic cements for both general and special applications, using slag or pozzolan, or both, with portland cement or portland cement clinker or slag with lime. These cements are classified into two types: Type IS, which is portland blast-furnace slag cement and Type IP, which is portland-pozzolan cement. They can also be described according to air-entraining, moderate sulfate resistance, moderate heat of hydration, high sulfate resistance, or low heat of hydration properties. The cement shall conform to the chemical requirements prescribed. In addition, the cement shall undergo different tests to determine the following properties: chemical analysis, fineness by sieving, fineness by air-permeability, autoclave expansion, time of setting, air content of mortar, compressive strength, heat of hydration, normal consistency, specific gravity, water requirement, mortar expansions of blended cement and pozzolan, drying shrinkage, activity index with portland cement, and sulfate resistance.
WJE laboratories are accredited by ANAB (ISO/IEC 17025) to perform testing standard ASTM C595 for Blended Hydraulic Cements.
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KeywordsASTM C595 - Blended Hydraulic Cement - Chemical Resistance - Heat of Hydration - Portland Cement - Pozzolans
ICS CODE91.100.10 (Cement. Gypsum. Lime. Mortar.)
UNSPSC CODE30111601 (Cement)
ASTM C595 / C595M-19, Standard Specification for Blended Hydraulic Cements, ASTM International, West Conshohocken, PA, 2019, www.astm.org