Hefei TNJ chemical industry co.,ltd
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CAS NO.9000-30-0
Specification:
Normal guar gum gives viscosity after 2 hours but fast hydration guar gum powder gives viscosity in 3 minutes.
Source:
Guar Gum is derived from the ground endosperm of the guar plant, Cyanmopsis tetragonolobus belonging to the family Leguminosae. The guar plant is mainly grown in India and Pakistan from the month of July to December. Availibility and pricing are depending very much on the quality of the monsoon during this period.
Standards:
Minimum standards for good quality Guar Gum Powder have been defined in the United States FCC and by European Union Specification, E-412 as under:
Moisture: max. 14 %
Ash (total): max. 1.5 %
Acid insoluble residue: max. 4 %
Galactomannan: min 75 %
Protein: max. 7 %
Arsenic: max. 3 ppm
Lead: max. 10 ppm
Zinc: max. 25 ppm
Copper and Zinc: max. 50 ppm
|
Item |
Index |
|
Appearance |
Yellowish free flow powder |
|
0.125/0.09mm Screen residue C1 % |
≤ 1 |
|
0.071/0.05mm Screen residue C2 % |
≤ 20 |
|
Moisture % |
≤ 10.0 |
|
PH Value |
6.5~7.5 |
|
Viscosity(30°C 170s-1 0.6% solution)mpa.s |
≥ 110 |
|
Water insoluble residue η % |
≤3.5 |
|
Cross-linking characteristics |
Can be picked ang hang up by glass-stick |
|
3 min resolution percentage % |
≥ 80 |
