Microsilica, also known as Silicafume, is a byproduct of production of silicon and ferrosilicon alloys. Because of its extreme fineness and high silica content, silica fume is a highly effective pozzolanic material.
HS No. 28112200 China Origin

SiO2:    85 to 97 %

Density: 100 to 650   kg/ m3  
         (Densified Silica Fume and UnDensified Silica Fume)

Packing: Jumbo bags of 900kg/bag (20 bags per 20 FCL) 
         or 20kg or 25kg small plastic woven bags.

Payment: T/T or L/C at sight 
         (or CAD or D/P at sight with 30% deposit before shipmt ). 

Delivery: We have warehouse in Guangzhou, Shanghai, Tianjin has stocks. 
          so that we can load goods into container once we receipt the payment.

Microsilica in concrete industry application Microsilica in refractory industry application Microsilica in rubber industry application Microsilica as anti-caking agent Microsilica as pellet binders Microsilica in water glass industry Microsilica in drilling industry and other fields.