SPECIFICATIONS
OF XANTHAN GUM
Xanthan 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. 11138-66-2
Chemical Formula C35H49O29
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检测项目Test Item
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石油级 Oil Drilling Grade
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感观Appearance
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类白色或浅米黄色粉末 Off-white or Light Yellow Free Flowing Powder
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粒度
Particle size, %
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80mesh
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Thru USS #40≥95
Thru
USS #200≤50
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1% Kcl溶液粘度, mPa.s
Viscosity(cps) 1% XG in 1% Kcl
solution
Brookfield LVDV-Ⅱ+, 3# spindle, 60rpm, 25±1℃
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≥1200
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PH
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6.0-8.0
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剪切性能值Shearing Ratio
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≥6.5
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灰分 Ashes, %
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≤16
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丙酮酸 Pyruvic acid, %
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≥1.5
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淀粉及瓜尔豆胶检测 Starch, Guar or their
derivatives
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Absent
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水分 Loss on Drying, %
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≤13
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流变学特性
Rheology Measurement
(0.28% XG in sea water,
FANN 35A, 0.2 spring)
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600r/min，mPa.s
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≥70
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300r/min, mPa.s
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≥55
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200r/min, mPa.s
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≥45
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100r/min, mPa.s
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≥35
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6r/min, mPa.s
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≥18
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3r/min, mPa.s
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≥16
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布氏粘度(mPa.s)
Brookfield LVDV-Ⅱ+, 1#spindle,1.5rpm
,25±1℃
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≥1950
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分散性检测 Dispersibility Test
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合格 Pass
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Package 25kg compounded
Paper-PE bag
Storage Store in a cool and
dry place
Shelf life 24 months
Contact:Misty Liu
Email:lignosale@gmail.com
whatsapps: 86-13945064260
