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Chemical

 
Silica Fume:
 
Synonym:silica powder, Amorphous silica, Silicon dioxide powder,microsilica
Molecular Formula:SiO2
Molecular Weight: 60.08
CAS Number: 69012-64-2
 
Specification:
Appearance:                               dry powder                    
SiO2 (Silicon dioxide, amorphous):85.0%  Min;
H2O (Moisture) :                          1.0 % Max;
C (Carbon):                                  2.5 % Max;
LOI (Loss on Ignition):                   6.0 % Max;
 
Packing: plastic woven bag with inner of polyethylene bag.
 
Usage:
silica fume is ideal for use in structures exposed to chemical and environmental attack.
• Parking garages
• Bridge decks
• Marine structures
• Slabs
• Roadways
In precast concrete (made in a manufacturing environment) it is more efficient, and results in cost and time savings.
 
 
 
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