Fumed silica in silicone rubber
Silicone rubber silica has high purity, low metal ion content, low electrical conductivity, anti-yellowing and good processing properties. Used in HTV, RTV and LSR silicone rubber, it can increase strength (tear resistance) and excellent electrical conductivity, improve rubber mechanical strength and stable viscosity, and maintain the high transparency and non-yellowing of silicone rubber itself. Application fields: glass glue, cables, sealing rings, colored rubber tubes, mobile phones, computer keyboards, battery separators, etc. The product particle size can be customized according to customer requirements. Product grade: YKSIL-140
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Fumed silica in silicone rubber
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Product details
YKSIL® 140P
IDENTITY AND ASPECT
| Characteristics: | SiO2 |
| Product: | Precipitated silica |
| Appearance: | White powder |
| CAS N° : | 112926-00-8 (ex CAS N° : 7631-86-9) |
| EINECS N° : | 231-545-4 |
TYPICAL SPECIFICATIONS
| Properties | Unit | Method | Indicator range |
| SiO2 content of ignition sample | % | HG/T3062 | 95-98 |
| Loss on Heating 2h 105°C | % | HG/T3065 | 4.0-8.0 |
| Loss on Ignition 2h 1000°C | % | HG/T3066 | ≤7.0 |
| absorption value | cm3/g | HG/T3072 | 2.0-3.5 |
| pH value | / | ISO787-9 | 6.0-7.5 |
| Particle size (D50) | μm | GB/T19077.1 | 60-150 |
| BET | m2/g | GB/T10722 | 130-160 |
| Soluble salts | % | HG/T3748 | ≤2.5 |
| Total iron content | mg/kg | HG/T3070 | ≤500 |
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