Polyanionic cellulose, PAC HV & LV Polyanionic cellulose (PAC) yog ntau yam polymer siv nyob rau hauv ntau yam lag luam, suav nrog roj drilling, tshuaj, kev tsim kho, thiab khoom noj. PAC muaj nyob rau hauv cov qib viscosity sib txawv, suav nrog siab viscosity (HV) thiab qis viscosity (LV), txhua tus nrog sp ...
Nyeem ntxiv