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Contact SuppliersCAS NO.11138-66-2
CAS NO.11138-66-2
Xanthan Gum, which is mainly made from starch, is a high molecular weight polysaccharide produced by fermentation with Xanthomonas Campestris under the conditions of special nutrient medium, PH, O2-supply and temperature, the purified, dried and milled into white-like or light-yellow free-flowing powder. Xanthan Gum can be widely used in more than twenty industrial fields, such as food pharmaceutical, fine chemical, agriculture, oil drilling, and so on. Comparing with other kinds of gum, xanthan gum has many advantages.
1. Outstanding viscosity-enhancing property and solubility in water.
2. Unique pseudo-plasticity rheological property of xanthan gum makes it high-efficient emulsifier and stabilizer.
3. Excellent stability to large range of temperature and PH change.
4. Stable compatibility with acid, alkaline, brine, enzyme, surface active agent, antiseptic, oxidant and other thickener.
5. Perfect synergistic action when compounding with guar gum, locust bean gum and other gums.
|
Items |
Specification （Food Grade） |
|
Appearance |
White, or little Yellow; Free Flowing Powder |
|
Particle Size (80 meshes) |
100% Pass |
|
Viscosity |
1000 Min. |
|
Shear Thinning Property |
6.0 Min. |
|
Loss on Drying |
13% Max. |
|
Ash |
13% Max. |
|
Nitrogen |
1.5% Max. |
|
Arsenic |
3ppm Max. |
|
Heavy Metals |
5ppm Max. |
|
Total Plate Count |
2000pcs/g Max. |
|
Molds and Yeasts |
150pcs/g Max. |
|
E.Coli |
Negative |
|
Items |
Specification （Pharmaceutical Grade） |
|
Appearance |
White, or little Yellow, Fine Powder |
|
Particle Size (200 meshes) |
100% Pass |
|
Viscosity (1% KCl) |
1200cps Min |
|
Shear Thinning Property |
6.0 Min |
|
Loss on Drying |
12% Max |
|
Ash |
6.5% ～ 16.0% |
|
Nitrogen |
1.5% Max |
|
Arsenic |
3ppm Max |
|
Heavy Metals |
20ppm Max |
|
Total Plate Count |
1000pcs/g Max |
|
Molds and Yeasts |
50pcs/g Max |
|
E.Coli |
Negative |
|
Items |
Specification(Oil Drilling Grade) |
|
|
Appearance |
Free Flowing Powder |
|
|
Loss on Drying |
14% Max. |
|
|
PH Value (1% solution) |
5.0 – 8.5 |
|
|
Ash |
<13% |
|
|
Granulation |
Sieve #40 (420 micron) |
100 % Min. |
|
Sieve #80 (180 micron) |
80 % Min. |
|
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Rheological Properties 1ppb in ASTM seawater. Measurements taken using Fan 35, 0.2 Spring. |
||
|
600rpm |
Not less than 75 |
|
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300rpm |
Not less than 55 |
|
|
200rpm |
Not less than 45 |
|
|
100rpm |
Not less than 35 |
|
|
6rpm |
Not less than 15 |
|
|
3rpm |
Not less than 12.5 |
|
|
Dispersion, lumps |
7 Max. |
|