Precipitated silica, a form of synthetic amorphous silicon dioxide, is derived from quartz sand, a crystalline form of silicon dioxide. The physical properties of precipitated silica can be manipulated during the manufacturing process to deliver products with a wide range of performance-enhancing features engineered for many different end-use applications.
DB Group offers the product in Pesticides, Weedicides, Adhesives, Emulsion, Footwear, Toothpaste, Pan Masala, Free Flowing Salt, Cosmetics, Tyre, Sponge, MC sheets, Industrial & Silicone Rubber, Tubes & Pharmaceutical Industry.
Description of Test | Specifications/ Limits |
Characteristics | White Free Flowing Powder (DB07) |
Ph (5% w/v) Aq. Sus. | 6 to 7 |
Moisture Content | 5% Maximum |
Heavy Metal | NMT 200 ppm |
Silica Content | 98.5 Minimum |
Loss on Drying (@110 C) | 4.5 Maximum |
Loss on Ignition | 10% Maximum |
Particle Size Passing | 200# (74 Microns) |
Bulk Density before Tapping | 0.08 Maximum |
Bulk Density after Tapping | 0.11 Maximum |
Water Absorption ml/gm | 180 ml/ 100 gm Minimum |
Description of Test | Specifications/ Limits |
Characteristics | White Free Flowing Powder (DB07-R) |
Ph (5% w/v) Aq. Sus. | 6 to 7 |
Moisture Content | 5% Maximum |
Heavy Metal | NMT 200 ppm |
Silica Content | 98.0 Minimum |
Loss on Drying (@110 C) | 5.5 Maximum |
Loss on Ignition | 10% Maximum |
Particle Size Passing | 0.5 Maximum |
Bulk Density before Tapping | 0.166 Maximum |
Bulk Density after Tapping | 0.227 Maximum |
Water Absorption ml/gm | 180 ml/ 100 gm Minimum |
Al2O3 | 0.20 Maximum |
Surface Area | 175 ± 10 mg2/g |