We can supply MICROSILICA (85%min, 90%min, 92%min, 94%min), the each specification including 3 types, namely: DENSIFIED MICROSILICA, SEMI-DENSIFIED MICROSILICA and UDENSIFIED MICROSILICA. The specification as follows:
1. MICROSILICA (85%min)
SiO2: 85%min.
Chlorides: Max. 1%
Total Alkalies: Max. 1.5%
Loss on Ignition: Max. 3.5%
Moisture: Max. 1.5%
Specific gravity: 2.2-2.55
Oversize (>45um): Max 2.5%
Pozz. Activity index: (7d) min 105%
Water demand: <=115%
Al2o3(%): 0.45%
Fe2o3(%): 0.5%
K2o(%): 0.85%
C(%): 1.8%
CI(%): 0.09%
Available alkalis (Na2o equibalent, %) 0.65%
2. MICROSILICA (90%min)
SiO2: 90%min.
Total Alkalies: Max. 1.5%
Loss on Ignition: Max. 3.5%
Moisture: Max. 1.5%
Specific gravity: 2.2-2.55
Oversize (>45um): Max 2.5%
Pozz. Activity index (7d) min 105%
Water demand: <=115%
Al2o3(%): 0.45%
Fe2o3(%): 0.5%
K2o(%): 0.85%
C(%): 1.8%
Cl(%): 0.09%
Available alkalis (Na2o equibalent, %) 0.65%
3. MICROSILICA (92%min)
SiO2: 92%min.
Chlorides: Max. 1%
Total Alkalies: Max. 1.5%
Loss on Ignition: Max. 3.5%
Moisture: Max. 1.5%
Specific gravity: 2.2-2.55
Oversize (>45um): Max 2.5%
Pozz. Activity index (7d) min 105%
Water demand: <=115%
Al2o3(%) 0.45%
Fe2o3(%): 0.5%
K2o(%) 0.85%
C(%): 1.8%
CI(%): 0.09%
Available alkalis (Na2o equibalent, %) 0.65%
4. MICROSILICA (94%min)
SiO2: 94%min.
Chlorides: Max. 1%
Total Alkalies: Max. 1.5%
Loss on Ignition: Max. 3.5%
Moisture: Max. 1.5%
Specific gravity: 2.2-2.55
Oversize (>45um): Max 2.5%
Pozz. Activity index (7d) min 105%
Water demand: <=115%
Al2o3(%): 0.45%
Fe2o3(%): 0.5%
K2o(%): 0.85%
C(%): 1.8%
CI(%): 0.09%
Available alkalis (Na2o equibalent, %) 0.65%