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Product Details:

Minimum Order Quantity 2000 Ton

Maximum 10,000 Ton per month

Packaging Type bagged / Loose

Powder form

Application : Reduction of thermal cracking in concrete production

Micro silica is a mineral admixture composed of very small solid glassy spheres of silicon dioxide.
Most micro silica particles are less than one micron in diameter, which is generally 50 to 100 times finer than average cement or fly ash particles.

Often called condensed silica fumes, micro silica is a by-product of the industrial manufacture of ferrosilicon and metallic silicon that is been made in high-temperature electric arc furnace.

University lab and SGS for testing.

Competitive Freight and Product Price

With monthly 8,000 tons shipment, we enjoy special favorable freight from shipping lines.
With 4 warehouses in Xiamen, Shenzhen, Tianjin and Guangxi, we arrange shipments efficiently and flexibly and choose the best freight.


Satisfactory Services
Professional operation in packing, loading and documents. Timely reply and cargo tracking, and responsible after-sales service.

Particle +/-0.045mm
Oversize variation % point from
99%min 99.17%
105% min
15m2/g min
3.02 %
115 %
650 kg/m3
Pozzolanic Activity Index (7 days)
Surface Area
Bulk Density (undensified) 550-700 kg/m3

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