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Micro silica
Micro silica

1.Reliable quality 2.Good quality 3.High pure

Silica in refractory

Application in refractory:

Silica in refractory is a highly effective pozzolanic material,the functions of adding microsilica are as follow:

1.Enhancing the fluid of pouring refractory

2.Reducing the wolume of used water

3.Be easy to shape

4.Raising the production efficiency

5.Microstructure for gap filling

Specification of silica:

 

Standard Value

Silicon Dioxide(SiO2)

min 85 %

Loss on Ignition(L.O.I) @ 975°C

max 4 %

Moisture Content

max 3 %

Percent Retained On 45μm (325 sieve)

max 2 %

Bulk Density

250-300kg/m3 and 500-800kg/m3

Micro silica

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