XC polymer, is a oil driling grade of xanthan gum. we ... oil drilling, pesticide, pottery & porcelain, printing & dyeing, paint, paper-making, mine-extraction, and so on.It is specially produced as ... mud additive for oil drilling. Being an environment friendly and high efficiency mud ... (1% KCL, cps)> 12001640Shearing Ratio≥6.07.60 XC polymer for oil drilling