hydrophilic fumed silica 300/hydrophilic fumed silica suppliers
hydrophilic fumed silica three hundred with a specific area area of 300 m2/g .The unique particle dimension can be five- 40 nm. It is a sort of substantial purity white colloidal powder.
It is mostly employed for high-temperature vulcanized silicone rubber, natural and organic silicone defoamer, superior printing ink, powEPTcoating, PVC resin, unsaturated polyester resin thickening, thixotropic agent, pharmaceutical powder, tabular preparing, cosmetics and many others.
hydrophilic fumed silica Specification
| Specification | CS-one | CS-two | CS-3 | CS-4 | CS-five | CS-six |
| Specific sunface spot(Wager), /g | 150 plusmn15 | two hundred plusmn20 | one hundred sixty | 210 | one hundred fifteen plusmn15 | a hundred and seventy plusmn15 |
| pH worth in four% dispersion | three.9~4.five | three.9~4.5 | 7.~eight.five | seven.~8.5 | 3.7~4.five | three.seven~four.five |
| Reduction on drying(two hrs at one zero five ordmC), % | le1.5 | le2. | le0.5 | le0.5 | le0.7 | le0.seven |
| Reduction on ignition(two hours at 1000 ordmC based on content dried for two several hours at 105 ordmC), % | le2. | le2. | le4. | le8. | le2.5 | le2.5 |
| Sieve Residue(forty five mum), mg/kg | le250 | le250 | – | – | – | – |
| Silica Content(Dependent on ignited materials), % | ge99.eight | ge99.8 | ge99.eight | ge99.8 | ge99.eight | ge99.8 |
| EPTmped Density(Dependent on substance dried at one zero five ordmC for two hrs), g/dm sup2 | 40~sixty | 40~60 | 40~60 | 40~sixty | forty~60 | 40~sixty |
| Carbon Content (Based mostly on substance dried at one hundred and five ordmC for two several hours), % | – | – | 2.5~four. | three.five~six.five | .6~1.two | .8~1.6 |
| Al2O3 mass fraction mg/kg | four hundred | 400 | four hundred | 400 | four hundred | 400 |
| TiO2 mass portion mg/kg | two hundred | 200 | 200 | two hundred | 200 | 200 |
| Fe2o3 mass portion mg/kg | 30 | thirty | thirty | thirty | 30 | thirty |
