Excellent Thixotropy Hydrophobic Matting Agent Evonik R972 For RTV Silicone Rubber
Excellent Thixotropy Hydrophobic Matting Agent Evonik R972 Used For RTV Silicone Rubber
Hydrophobic Fumed Silica DR-274 is white fine powder,with anti-settling, anti-sagging and thixotropy control.
Specification:
| Appearance | White Powder |
|
pH in 4% dispersion(H,O:Ethanol=1:1) |
3.4-4.5 |
|
Loss on drying(2 hour at 105℃) |
Max 0.7% |
|
Loss on ignition(2 hour at 1000°based on material dried for 2 hours at 105℃),% |
Max 2.5% |
|
Silica content(based on ignited material),% |
Min 99.8 |
|
Tamped density(based on material dried for 2 hours at 105℃) |
40-60g/dm³ |
|
Carbon content (based on material dried for 2 hours at 105℃) |
0.6-1.2% |
Application:
RTV silicone rubber,especially RTV-T Adhesives & Sealants
Coatings & Printing ink
Powder Coating
Packing
Packed into 10 kg/bag
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