Portland Cement Type I

Portland Cement Type IPer American Standard ASTM C-150 SpecificationsASTM C-150 RequirementTypical Ex-Plant Test ResultChemical AnalysisLoss on Ignition (%)≤3.02.25Insoluble Residue (%)≤0.750.6SO3 (%)≤3.02.4MgO (%)≤6.05.0C3A (%)≤8.07.66Alkali (%)≤0.6 (NB)0.55Physical PropertiesAir Content of Mortar (Volume %)≤12.08.8Blaine Fineness (m2/kg)≥280360Autoclave Expansion (%)≤0.800.75Initial Setting Time (min)≥45105Final Setting Time (min)≥45 ≤375195Compressive Strength 3 Days (Mpa)≥12.016.3Compressive Strength 7 Days (Mpa)≥19.025.8Compressive Strength 28 Days (Mpa)≥28.040.4NB: To be agreed with Buyer.