... Food pharmaceutical,B. Fine chemical,C. Agriculture,D. Oil drilling, and so on3. Advantages.1. Outstanding viscosity-enhancing ... Gum can be applied to many industrial fields, such as oil drilling, pesticide, pottery & porcelain, printing & dyeing, paint, ... to oil formation, and improve the efficiency of drilling, work-over and completion5. Package: 25kg/bag, 25kg/barrel oil drilling grade Xanthan ...