Fumed Silica PowEPTprice/hydrophilic fumed silica a hundred and fifty
hydrophilic fumed silica 150 with a certain surface area location of 150 m2/g .The original particle size can be 5- forty nm. It truly is a type of high purity white colloidal powder.
It is mostly used for large-temperature vulcanized silicone rubber, organic silicone defoamer, advanced printing ink, powEPTcoating, PVC resin, unsaturated polyester resin thickening, thixotropic agent, pharmaceutical powder, tabular planning, cosmetics and many others.
hydrophilic fumed silica Specification
| Specification | CS-one | CS-two | CS-3 | CS-four | CS-5 | CS-6 |
| Particular sunface area(Bet), /g | 150 plusmn15 | two hundred plusmn20 | one hundred sixty | 210 | a hundred and fifteen plusmn15 | one hundred seventy plusmn15 |
| pH price in four% dispersion | 3.nine~four.five | 3.nine~four.5 | 7.~8.5 | 7.~8.5 | three.7~4.5 | three.seven~4.5 |
| Reduction on drying(2 hrs at one hundred and five ordmC), % | le1.five | le2. | le0.5 | le0.5 | le0.7 | le0.7 |
| Decline on ignition(2 hours at one thousand ordmC based on content dried for 2 hrs at 105 ordmC), % | le2. | le2. | le4. | le8. | le2.5 | le2.5 |
| Sieve Residue(forty five mum), mg/kg | le250 | le250 | – | – | – | – |
| Silica Articles(Primarily based on ignited materials), % | ge99.eight | ge99.eight | ge99.eight | ge99.8 | ge99.8 | ge99.8 |
| EPTmped Density(Primarily based on material dried at a hundred and five ordmC for two hrs), g/dm sup2 | 40~60 | forty~sixty | 40~sixty | 40~sixty | 40~sixty | 40~60 |
| Carbon Content material (Based on materials dried at one zero five ordmC for two hrs), % | – | – | 2.5~four. | 3.five~six.5 | .6~1.2 | .8~one.six |
| Al2O3 mass fraction mg/kg | 400 | four hundred | 400 | 400 | four hundred | 400 |
| TiO2 mass fraction mg/kg | 200 | two hundred | 200 | 200 | 200 | two hundred |
| Fe2o3 mass portion mg/kg | 30 | thirty | 30 | thirty | thirty | thirty |
