Xanthan Gum for drilling mud additive

SPECIFICATIONS OF XANTHAN GUMXanthan gum is an extracellular acidic heteropolysaccharide produced by the fermentation of xanthomonas campestris bacterium. Made from corn starch and other carbohydrates through the processes of culturing, extracting, evaporating and grinding, it is widely used in industries such as food, oil, mining, pharmacy and textile.CAS No. 11138-66-2Chemical Formula C35H49O29  检测项目 Test Item石油级 Oil Drilling GradeZHX-80感观 Appearance类白色或浅米黄色粉末Off-white or Light Yellow Free Flowing Powder 粒度Particle size, % 80mesh Thru USS #40≥95 Thru USS #200≤501% Kcl 溶 液 粘 度 , mPa.s Viscosity(cps) 1% XG in 1% Kcl solutionBrookfield LVDV-Ⅱ+, 3#spindle, 60rpm, 25±1℃ ≥1200剪切性能值 Shearing Ratio≥6.5PH6.0-8.0灰分 Ash, %≤13.0丙酮酸 Pyruvic acid, %≥1.5淀粉及瓜尔豆胶检测Starch, Guar or their derivativesAbsent 无干燥失重 Loss on Drying, %≤13.0 流变学特性Rheology Measurement (0.28% XG in sea water, FANN 35A, 0.2 spring)600r/min，mPa.s≥70.0300r/min, mPa.s≥55.0200r/min, mPa.s≥45.0100r/min, mPa.s≥35.06r/min, mPa.s≥18.03r/min, mPa.s≥16.0布氏粘度(mPa.s)Brookfield LVDV-Ⅱ+, 1#spindle,1.5rpm ,25±1℃≥1950 Package 25kg compounded Paper-PE bagStorage Store in a cool and dry placeShelf life 24 months