... surface activity, can be used as colloid protective agent, emulsifier and dispersant.CurdlanWhen product solution heated to a certain ... depends on their lubricant, suspending agent, protective colloid, emulsifier and so on.Metabolism of inert and low odor and ... agent,filmogen,binder,lubricant,suspending agent ,protective colloid,emulsifier,etc. Hydroxy Propyl Methyl Cellulose 9004-65-3/ hpmc ...