white silica fume 97UD
69012-64-2
White
Sio2
Powder Grey or Light Grey
Diameter of Particle of Silica Fume Was 0.1 Um
Refractory
Ferrosilicon Smelting
Silicon Dioxide
Sanyuan
25kg Paper or Plastic Bags
97UD
China
2811229000
Product Description
NO | ITEM | REQUIREMENT | TEST VALUE |
1 | SiO2 | ≥97% | 97.86% |
2 | MOISTURE | ≤2% | 0.87% |
3 | LOSS ON IGNITION | ≤3% | 1.12% |
5 | BULK DENSITY | 300-350KG/M3 | 316KG/M3 |



PROPERTIES | |
Product Description | Undensified Microsilica GSM-97UD |
Color | white to medium grey white powder |
Bulk density-Full Densified | 300-350KG/M3 |
SPECIFICATIONS | |
Silicon Dioxide (SiO2) | 97% |
Moisture Content | 0.8%-2.0% |
Loss on Ignition (LOI) | 1.6%-3.0% |
Oversize percent retained on 45-um(325 sieve) | Max.8.0% |
Specific Surface | 18 m2/g-27 m2/g |
Activity index % | ≥105@7d ≥95@28d |
Water demand | ≤115% |




We've revitalized the Yinchuan factory, transforming it into a beacon of safety, technological advancement, efficiency, and eco-friendliness. This metamorphosis includes a comprehensive set of environmental protection systems and enhanced equipment for screening and classification. Supplementing our existing storage network in Gansu, Ningxia, and Inner Mongolia, our newly added Tianjin Distribution Center empowers us with superior quality control and rapid distribution capabilities.
With nearly two decades of expertise in the microsilica domain, our proficiency and rich experience are unmatched. Gansu Sanyuan boasts an impressive annual production capacity exceeding 100,000 tons, solidifying our status as a formidable industry leader in microsilica products across China.
For decades, Sanyuan has stood at the forefront of China's microsilica industry, playing a pivotal role in the formulation of national standards for microsilica, reflecting our commitment to excellence and leadership.
1.What kind of payment term do you support ?
T/T in advance
2.What's your terms of delivery?
FOB, CIF
3.How long will your production take ?
Normally 10 days after contract
4.could you support to sample test?
Of course, we would like to offer you free sample for testing based on you pay the freight.