Good Stability Hydrophilic Fumed Silica For Silicone Rubber
Good Stability Hydrophilic Fumed Silica For Silicone Rubber
Hydrophilic fumed silica DR-262 has good thickening&thixotropy properties,and stability in epoxy resin system products,high loading enables it great reinforce performance for polymers.
Specification of matting agent
| Appearance | White Powder |
| Silica content (based on ignited material),% | ≥99.8 |
|
Specific Surface Area(BET),m²/g |
110±30 |
|
pH (4% suspension,water to methanol ratio 1:1) |
4.0-7.0 |
|
Loss on drying*1 (105℃,2h) |
≤0.7% |
|
Loss on ignition*2 |
≤10% |
|
Tamped density*2 |
45-70 g/l |
|
Carbon conten |
4.0-7.0% |
Note:*1 represents test conditions of 105℃,2h,data represents ex plant value;
*2 represents the product based on 105℃,2h;the test standard refers to GB/T 20020.
Packing of matting agent
Matting agent are packed in multi-layered kraft paper bags of 10kg/bag or polypropylene bags of 150kg/bag.
Storage of matting agent
It is recommended that the product be stored in a dry,cool environment and avoid contact with volatile substances.It should be used within two years from the date of production.
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