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Contact SupplierWe are one of the leading Suctions of Precipitated Silica today, having complete vertical integration, rigid quality control standards and unique product properties. We have developed products with unmatched properties, by standards. We cater to every segment of the market with user specific products. We are the global leaders today in the manufacture of precipitated calcium silicates having following unique properties :
Applications Of Precipitated Silica
Precipitated Silica having high absorption capacities can be used to provide one or several of the following properties :
Pesticides
Feedstuffs And Food Items
Chemicals
Plastics And Polymers
Other Products
Precipitated Silica
Precipitated Silica is available in various combinations of physical properties such primary and secondary particle size, surface area, bulk density absorption capacity etc. It is available in three physical form categories :
Property | Unit | S.B. 70 | S.B. 1 | S.B. 2 | S.B. 3 | S.B. 19 | S.B. 4 | S.B. 7 | |
Appearance | - | Snow White free flowing powder | |||||||
Behaviour towards water | - | Hydrophilic | |||||||
Moisture (105oC) | % | 5±1.5 | 5±1.5 | 5±1.5 | 5±1.5 | 5±1.5 | 5±1.5 | 5±1.5 | |
Ignition loss (900o C for 2 hrs) | % max | 6 | 6 | 6 | 6 | 6 | 6 | 6 | |
Surface Area (BET) | m 2 /gm | 100-115 | 130-150 | 140-170 | 160-200 | 240-260 | 115-125 | 290-320 | |
Average Particle size | Primary | nm | 10 – 12 | 18 – 20 | 16 – 18 | 12 – 14 | 8 – 10 | 10 – 12 | 6 – 8 |
Secondary | µm | 14-16 | 8 – 10 | 10 – 12 | 10 – 12 | 12 – 14 | 8 – 10 | 8 – 10 | |
Water Absorption | % | 230-260 | 240-260 | 240-260 | 240-260 | 300-350 | 260-280 | 400-450 | |
Oil absorption | % | 225-255 | 235-255 | 235-255 | 235-255 | 295-345 | 255-275 | 395-495 | |
Bulk Density* | gm/cc | 0.12-0.16 | 0.09-0.12 | 0.11-0.16 | 0.12-0.18 | 0.10-0.14 | 0.08-0.10 | 0.08-0.12 | |
pH (5% acq. Solution) | - | 6.2-7.0 | 6.2-7.2 | 6.2-7.5 | 6.2-7.5 | 6.2-7.0 | 6.5-7.0 | 6.2-7.2 | |
Residue on 300 mesh | % max | 1 | 0.5 | 1 | 2.0 | 1 | 0.5 | 0.5 | |
Specific Gravity | - | 2±0.2 | 2±0.2 | 2±0.2 | 2±0.2 | 2±0.2 | 2±0.2 | 2±0.2 | |
Refractive Index | - | 1.46 | 1.46 | 1.46 | 1.46 | 1.46 | 1.46 | 1.46 | |
Al2O3 | %(max) | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
R2O3 | %(max) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | |
Fe as Fe2O3 | %(max) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | |
Storage Stability | Practically Unlimited Under Favourable Transport/storage Conditions | ||||||||
Packing | Kgs/bag | 25 | 25 | 25 | 25 | 25 | 25 | 25 |