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Precipitated Silica White Carbon Black Silicon Dioxide

Quantity:
  • 1000mt Per Year
  • 10kg/Bag
  • L/C, T/T, Western Union
  • 112926-00-8

Product Description
CAS No.:112926-00-8(7631-86-9)
EINECS No.:231-545-4

H.S No.: 2811220000                                                                                                                 Application range: pharmaceutical, food, agricultural feed additive and other industries.  
Features: 255S can increase powder fluidity. 255HS is the high absorption macro fine silicon dioxide.                  
Package: 16  or 10kg per bag of plastic woven bags lined with PP bag.                                                                
Specification: Technical parameters

Specification 255S 255HS
Appearance white micro powder white micro powder
Heating loss(105°C) % 4.0-6.0 4.0-6.0
Loss on ignition(1000±25°C) % 4.0-5.0 4.0-5.0
Average grain diameter d50 µm 10-15 5-10
SiO2(content) % ≥92.0 ≥92.0
PH value 6.0-7.0 6.0-7.0
DBP oil factor cm3/g 2.5-3.5 2.5-3.5
BET specific surface area m2/g 180-210 180-210
Na2SO4 % ≤1.0 ≤1.0
Compacted density g/l 100-130 70-100
As mg/kg ≤2.0 ≤2.0
Heavy metal(Pb) mg/kg ≤20 ≤20

Precipitated Silica White Carbon Black Silicon Dioxide

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