... C in low temperature is used, the early strength of Portland cement is 5-6 times, 0-20 ° C, plus a ... water corrosion resistant than especially sulfur, corrosion resistance coefficient of Portland cement > 1. 2.use: 1, winter construction engineering, 2 ... , 4. hydraulic engineering, 5 bridge road engineering, 6, cement products, prefabricated components, high-strength pre-stressed concrete pile. 3 ...