Portland Cement Types Type 1 – Normal Portland Cement
{"Image DocumentName": "Portland Cement Types Type 1 \u2013 Normal Portland Cement", "Image ImageDescription": "Most common (90-95%) Type III \u2013 High early strength. Cost 10-20% more. 90% stronger one day. Same strength after 90 days. Contains more C3S. Cement is also ground finer so water can reach cement particles faster. Type IV \u2013 Low Heat. Smaller amounts of C3S and C3A. Type V \u2013 Sulfate Resisting. Used when groundwater contains sulphate. C3A is about 1/3 that of Type I. Type II \u2013Moderate. Used when moderate resistance to sulphate is present.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}