Hydroxypropyl Guar Gum
What is Hydroxypropyl Guar Gum ?
Guar Gum Hydroxypropyl is a chemically modified form of guar gum, produced by reacting guar gum with propylene oxide. This modification enhances the properties of guar gum, making it more versatile and improving its solubility, stability, and performance under various conditions. Hydroxypropyl guar gum is commonly used in industries like cosmetics, pharmaceuticals, oil drilling, and personal care products, where improved hydration, film-forming, and thickening properties are essential.
Properties of Hydroxypropyl Guar Gum
Improved solubility : Dissolves more easily in water and other solvents compared to regular guar gum.
Enhanced stability : More stable under varying pH levels and temperatures, making it suitable for diverse industrial applications.
Thickening and viscosity control : Provides consistent thickening, even under extreme conditions, such as in oil drilling fluids.
Film-forming ability : Creates a smooth, flexible film on surfaces, useful in cosmetics and personal care formulations.
Lubrication properties : Acts as a lubricant in drilling fluids and other industrial applications.
Low toxicity : Safe for use in personal care products and cosmetics, adhering to safety and regulatory standards.
Moisture retention : Helps retain moisture in products like lotions, creams, and hair care products.
Long shelf life : The chemical modification extends the shelf life and stability of hydroxypropyl guar gum.
Better compatibility : Works well with a range of other chemicals and additives, enhancing product formulations in various industries.
Specifications of Hydroxypropyl guar gum powder
| Mesh | 100 Mesh | 200 Mesh | 300 Mesh |
| Viscosity by Brookfield Viscometer at 25°C, 20 rpm, Spindle No-4, Solution – 1% |
2500 / 3500 Cps Min. 4500 / 5000 Cps Max. |
2500 / 3500 Cps Min. 8000 / 9000 Cps Max. |
2500 / 3500 Cps Min. 4500 / 5000 Cps Max. |
| Moisture | 12% Max. | 12% Max. | 12% Max. |
| Passing | 98 – 99% Min. | 90 – 99% Min. | 98 – 99% Min. |
| Proteins (N x 6.25) | 5.0% Max. | 5.0% Max. | 5.0% Max. |
| Fat | 0.3% Max. | 0.3% Max. | 0.3% Max. |
| A.I.R. | 3.0% Max. | 3.0% Max. | 3.0% Max. |
| Ash | 1.0% Max. | 1.0% Max. | 1.0% Max. |
| pH | 5.5 – 7.0 | 5.5 – 7.0 | 5.5 – 7.0 |
| Carbohydrates (by difference) | 80% Min. | 80% Min. | 80% Min. |
| Lead | 2 ppm Max. | 2 ppm Max. | 2 ppm Max. |
| Arsenic | 3 ppm Max. | 3 ppm Max. | 3 ppm Max. |
| Heavy Metals | 20 ppm Max. | 20 ppm Max. | 20 ppm Max. |