مواصفات الاسمنت Cement Specifications
مواصفات الاسمنت Cement Specifications EN 197-1 CEM I 42.5N: Silicon Dioxide : 19.4% Aluminum Oxide : 5.6% Ferric Oxide : 3.38% Calcium Oxide : 63.88% Magnesium Oxide : 0.86% Sulfur Trioxide : 2.64% Chloride : 0.06% Insoluble residue : 0.49% Loss On Ignation : 3.5% Free-Lime : 1.5% Chromium Hexavalent : 1.6ppm Alkali Equivalent : 0.67% Sieve 45 : 9.0% Sieve 90 : 0% Fineness (Blaine) : 3050 Cm2/g Water consistency : 27.2% Initial setting time : 132 Min Final setting time : 195 Min 2day (Compressive strength) : 19.9MPa 28Day (Compressive strength) : 46MPa Soundness : 1.5mm EN 197-1 CEM I 52.5N: Silicon Dioxide : 19.85% Aluminum Oxide : 5.70% Ferric Oxide : 3.70% Calcium Oxide : 64.5% Magnesium Oxide : 1.01% Sulfur Trioxide : 2.85% Chloride : 0.05% Insoluble residue : 0.49% Loss On Ignation : 2.28% Free-Lime : 1.26% Chromium Hexavalent : 1.5ppm Alkali Equivalent : 0.65% Sieve 45 : 6.0% Sieve 90 : 0% Fineness (Blaine) : 3370 Cm2/g Water consistency : 28.2% Initial setting time : 150 M...