Microsilica (Silica Fume)


ACC is one of the earliest suppliers of micro silica in China. We provide micro silica with different grades and densities that is used in many famous construction projects in the world, applying in concrete, mortar, oil field cement, refractory, chemical fertilizer and other fields. ACC micro silica complies with ASTM C 1240 and EN13263:2005 standards, and has been recognized by SGS, Exova and other famous test authorities and ENR enterprises.

We select the best silicon products from top manufacturers. The recycle, densifying and filling processes are automatically integrated in a closed environment without any mixture or impurities.

Fix clients’ order in stable production bases so as to ensure the consistency and stability of quality.

We offer anti-UV & anti-aging plastic woven bag for long storage and also directly-used water soluble paper bag.

We own warehouses in both Tianjin and Xiamen, which ensures timely shipment for urgent needs from clients.

The products are passed through double quality check from both manufacturer side and ACC side before delivery.

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Brochure & Datasheets
ACC Microsilica Brochure
Densified Microsilica (from light to dark gray)
Undensified Microsilica (from light to dark gray)
White Microsilica


Silica Fume for Construction
For Construction

With high pozzolanic activity index, high comprehensive strength and low LOI, ACC microsilica can be well-performed in construction application, which can improve the bond strength and abrasion resistance, reduce permeability, and protect reinforcing steel from corrosion.

Silica Fume for Refractory
For Refractory

ACC undensified microsilica can be well used in the refractory application. It can improve the fluidity of refractory casting materials, reduce water consumption, improve the compactness, temperature strength and thermal shock resistance.

Silica Fume for Fertilizer
For Fertilizer

ACC microsilica can also be well-performed in fertilizer, it can be used as moisture absorption, anti-caking agent, and pellet binding agent.etc.

ACC microsilica is supplied in a range of packagings:
  • Jumbo bag with PE liner which conforms to GB/T10454 and EN ISO 21898 with uv-proof function and anti-aging character;
  • 20kg/25kg plastic woven bag with PE liner;
  • 10kg/12kg water-soluble paper bag;
  • Special packaging can be supplied on request.
ACC Microsilica (Silica Fume) Package

ACC sets up thousands of square meters of warehouses in main ports of China and provides integral solutions of transportation for customers:

  • Containerized shipment
  • Break-bulk shipment

Note: There are break bulk vessels to main ports of the Middle East (say Jebel Ali, Hamad, Kuwait, etc.) every month.

ACC Microsilica (Silica Fume) Storage and Transportation


Once received, our team will get in touch with you soon.