Silicone Rubber grade SAI779-1, with low iron raw materials and highly transparent. Silicone Rubber Grade SAI779-1 is high reinforced ultra fine Silica with strict purifying technology specialized use for high temperature vulcanized silicone rubber.
SAI779-1 Reinforcing filler Silica in Silicone Rubber
Low iron content with high transparent
Medium Partical Size: 10-14um and BET specific surface area 150-180 m²/g
Product Name
SiO2, Precipitated Silica, White Carbon, Silicon Dioxide, Conventional Silica Powder, Amorphous Precipitated Silica, Micro pearl precipitated silica
Chemical Properties
White powder form, with low iron raw materials with high transparent. SAI779-1 is high reinforced ultra fine Silica with strict purifying technology specialized use for high temperature vulcanized silicone rubber.
Specifications
|
Items |
Specification |
|
Appearance |
White Powder |
|
BET specific surface area m2/g |
150-180 |
|
Salt As Na2SO4% Max |
0.7 |
|
SiO2 % Min |
98 |
|
Heating Loss at 105°C 2h% Max |
4.0-8.0 |
|
Ignition Loss at 1000°C % Max |
7.0 |
|
pH Value (10% aqueous suspension) |
6.0-7.0 |
|
DBP absorption Value cm³/g |
2.0-2.7 |
| Total Fe mg/kg Max | 200 |
|
Medium Size (D50)µm |
10-14 |
Application
SAI779-1 is used widely for high temperature vulcanized silicone rubber.
SAI779-1 has high transparent, good anti yellowing effect, high hardness effect, and better reinforcement effect.
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