When using white cement, it shall be mixed according to the ratio of 1 (cement): 1 (water and glue): 2 (sand). It must add 'water' and 'yellow sand'. Before filling, the gap shall be fully filled with water. After filling, it shall be watered and maintained regularly for 8-12 hours. The maximum strength can be achieved for a week.
What is white cement
White portland cement refers to the hydraulic cementitious material made of white portland cement clinker with low iron oxide content, an appropriate amount of gypsum and mixed materials, which is referred to as white cement for short. When grinding cement, limestone not more than 5% by weight of cement is allowed to be added.
White portland cement is mainly used for decoration of buildings, such as ground, stairs, steps, external wall finishes, manufacturing of colored brushwork and terrazzo, finishing mortar, chopping stone, cement roughening process, inlaying of marble and ceramic tile, concrete sculpture process products, etc., as well as manufacturing of colored cement (baishuinizen mediaopei)