It’s available for bulk mass concrete projects like dam project. There will be a great effect when the product is used on dam bleeding surface and intertidal zone projects which require higher abrasive resistance and freezing resistance. The strength grade of the product is 42.5. Standard: GB 200-2003Item Index Catalogue Moderate heat Portland cementGBInternal ControlItem GBInternal ControlMgO(%)≤5.0<5.0Compressive Strength(MPa)3 d≥12.0≥14.0Loss(%)≤3.0≤2.07 d≥22.0≥25.0SO3(%)≤3.5< 3.028 d≥42.5≥45.0Specific Surface Area(m2/kg)≥250>280Flexural Strength(MPa)3 d≥3.0≥3.5R2O(%)----≤0.67 d≥4.5≥5.0StabilityQualifiedQualified28 d≥6.5≥7.0Initial Set Time(min)≥60>90Hydration Heat(KJ/kg)3d≤251≤245Final Set Time(min)≤720<3607 d≤293≤285
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• Moderate Heat Portla...

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