Natural smectite clay - Veegum HV
Natural smectite clay - Veegum HV
INCI: Magnesium Aluminum Silicate
Category: Thickener
Trade name: VEEGUM® HV GRANULES
I. Introduction
VEEGUM HV is one of the products in VEEGUM and VANATURAL, which are natural smectite clays that have been water-washed to optimize purity and performance. VEEGUM and VANATURAL bring wonderful effects and benefits for pharmaceutical and personal care applications:
- Stabilize Emulsions
- Stabilize Suspensions
- Modify Rheology
- Enhance Skin Feel
- Modify Organic Thickeners
- Function with Most Additives
- Resist Degradation
- Binders in tablets, sticks, and pressed cakes
- Perform at High and Low pH
- Provide Particular Functionality in Pharmaceuticals
VEEGUM HV is indicated where high viscosity at low solids is desired. Excellent emulsion and suspension stabilization is obtained at low use levels. It is used primarily in cosmetics and pharmaceutical suspensions.
| SPECIFICATION | VALUE |
| Physical State | Off-white fine granules |
| Acid Demand | 4.0 maximum |
| Al/Mg Ratio | 0.5 - 1.2 |
| Arsenic Content | 3 ppm maximum |
| Lead Content | 15 ppm maximum |
| Microbiology | **No more than 100 cfu/g bacteria **No more than 100 cfu/g fungi & yeast **No Escherichia coli **No Salmonella sp. **No Staphylococcus aureus **No Pseudomonas aeruginosa **No Gram-negative organisms **No more than 10 cfu/g candida albicans |
| Loss on Drying | 8.0% maximum |
| pH, 5% Dispersion | 9.0 - 10.0 |
| Viscosity, Brookfield, 5% Dispersion |
800 - 2200 cps |
| X-ray Diffraction | Peaks between 1.492 - 1.504, 1.510 -1.540, and 15.0 - 17.2 Angstroms |
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