... a kind of ionic linear macromolecule substance, is tasted for white or light yellow fibrous powder, non-toxic, ... unique thickener adhesives, emulsifier, sizing agent, absorbent agent, decentralized, sc, puffing sex fixing agent, retarder, excipients in each industry ... . And should also pay attention to high temperature, viscosity decrease for temperature rise, because the CMC hygroscopic, users pay ...