Silica fume for HPC concrete

Appearance:Grey powder SiO2: 85% min. Loss on ignition :6% max. Moisture3.0% max. Surface area:15000 m2/g

1.        Making high-grade concrete, can improve evidently the strength of concrete and the property of pumpage.

2.        Making high crack-resistance , self-waterproofing concrete, be used in the subway, tunnel and basement of high-rise structures.

3.        Used in maritime works and chemical industry. Due to the high densification propert, it can prevent effectively sulfate and chlorine ion from corrode, so that can extend the self-life of concrete.

4.        Effects on high-early strength concrete and strong concrete.

5.        In project item for water conservancy and bridge, the concrete not only needs basic quota mentioned above, but also its wear-resistant quality and abrasion resistance. Thus, adding silica fume is necessary.

6.        Effects on high and strong spray concrete for support in tunnel, subway, and large-scale foundation ditch.

7.        Used in the construction item under water, such as pier, huge dam and drilling platform.

8.        Used in road surface concrete of expressway and large-scale bridge.

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