Carboxymethyl Cellulose(CMC),or Sodium Carboxymethyl Cellulose is white or light yellowish powder.Our CMC Paper Making Grade has good compatibility to paper pulp and filling particles to improve the integral flexibility and increase strength grade.CMC is film former and is good in rheology control.It is premium surface sizing agent,paper strengthening agent,additive agent at wet end of paper machine,moisture retention agent,etc.