... , strong, high compressive strength: one day, three days to reach 50mpa 35-50-70 mpa, ... corrosion resistant than especially sulfur, corrosion resistance coefficient of Portland cement > 1. 2.use: 1, ... be less than 1000 total supply and other forms of packaging by both sides agreed. In transportation ... mixed with other, storage, Storage period for three months overdue should test qualified before use. ...