... 20 degree centigrade); 3. Solubility: Easily soluble in water, but not in organic solution; 4. Absorbent to dampness, and ... a water softening agent in solution for printing, dyeing, and boiler, as diffusant in papermaking; Retarding agent, floating agent, dispersing medium, ... 2. Food grade: Mainly used as additive agent, pH adjusting agent, fermenting agent, and nourishment, etc. Packing: 25kg or ...