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Quick Details

  • Classification: Chemical Auxiliary Agent
  • CAS No.: 69012-64-2
  • Other Names: Silica fume
  • MF: SIO2
  • EINECS No.: 273-761-1
  • Purity: 85%min
  • Place of Origin: Yunnan, China (Mainland)
  • Type: Adsorbent
  • Adsorbent Variety: Microsilica
  • Usage: Petroleum Additives, Textile Auxiliary Agents
  • Brand Name: WINITOOR
  • Model Number: WNT 85
  • Colour: Black
  • Origin: Yunnan,CN
  • Content: 85%min
  • Density: Densified

Packaging & Delivery

Packaging Details 1000kgs per jumbo bag; 20 jumbo bags per 20 GP
Delivery Time Within 14 days upon receipt of deposit


1SiO2 (%)  85%min  87.940% 85%min
2Fe2O3(%)  2%max  0.470% 3%max
3Al2O3(%)  2%max  0.420% 6%max
4CaO(%)  2%max  0.510% ------
5Na2O(%)  2%max  0.630% ------
6Mositure(%)  2%max  0.500% ------
7LOI(%)  3.%max  1.470% ------
SGS certificate with ASTM-C1240 Standard#PHYSICAL PARAMETERS         
1ParticleSize +/-0.045mm     99%min  99.670% ------
2Oversize variation % point from average   (%) 2.01% 5%max
3Pozzolanic Activity Index (7 days)   ≥110% 120% 105%min
4Surface Area    22630m2/kg 15000m2/kgmin
5Bulk Density(Densified)    650kg/m3 650kg/m3
Brief IntroductionMicrosilica fume (scientific name "silica fume," Microsilica or Silica Fume), in the smelting of ferrosilicon and industrial silicon, silicon through the flue gas emitted by steam oxidation, the specially designed filter collected the amorphous powder like silica (SiO 2). Micro-silica fume average 0.1-0.15 μ m in diameter, the size of several cement average 1.0%. Surface area for the 15-27 m 2 / g, with strong surface activity.


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China (Mainland) | Trading Company
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