


Silicone Rubber
- STANDARD : HG/T 3061-2009
- CAS NO : 112926-00-8(7631-86-9)
- EINECS No : 231-545-4
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Product description
产品参数
Technical parameters of silicon dioxide for silicone rubber:
Type model | FENGSIL-140C | FENGSIL-160C | FENGSIL-180C |
Appearance | Super-fine Powder | ||
Specific Surface Area m a BET 2 / G specific surface area |
130-150 | 150-170 | 170-190 |
Silica(dry basis)% Silica content | ≥ 96 | ||
Heating loss (105 ° C)% Loss on heating |
4.0-8.0 | ||
Loss on ignition (1000 ± 25 ° C)% Loss on ignition |
≤7.0 | ||
PH-value (10%aqueous solution) PH-value (10%aqueous solution) |
5.0-8.0 | ||
The Value Oil Absorption cm3 the DBP / G the DBP oil absorption |
2.0-3.5 | ||
45um sieve Residue% 45um sieve residue |
≤ 0.5 | ||
Soluble salt (Na2SO4)% soluble salts (sodium sulfate) |
≤ 1.5 | ||
Cu mg/kg | ≤ 30 | ||
Mn mg/kg | ≤ 50 | ||
Fe iron mg/kg | ≤300 | ||
Average grain diameter d50 μm particle size |
12-16 |
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