Main types:
According to the particle size, there are mainly 2 types:
1. 10~40 mesh;
2. 30~100 mesh.
Features:
1. Big solubility in water, alcohol and ether;
2. Among all the sour agents, CAA's acidity is the most accepted by human;
3. Water softening ability, it can combine the Ca2+ and other metal ions (except for alkali metal), and for the compounds (like Calcium citrate), their solubility in cold water is higher than hot water, which is a big advantage in detergent industry;
4. pH buffering ability;
5. Low toxic.
