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Silica fume for heating furnace Indefinite refractory materials : This type of microsilica can be added to unshaped refractory materials used in heating furnaces to increase their fire resistance.Reduce the amount of cement and water added to the castables, microsilica powder replaces water to fill the voids in the refractory material, so it has the effect of reducing water. After adding microsilica powder, the water consumption of refractory material is 4%-7%, without microsilica powder, the water consumption is more than 12%. Therefore, after adding microsilica powder, it further improves the medium- and high-temperature strength of the refractory material, enhances the quality of the refractory material and improves the service life. The high reactivity of microsilica powder, most of the unshaped refractories are siliceous, after adding microsilica powder, it can form mullite phase at high temperature, which improves the strength of refractories. In alkaline environment, it forms magnesium olivine.Silica fume for monolithic refractory
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Main Product:
Microsilica,
Silica Fume,
Blank Silica Fume,
Gray Silica Fume,
Semi-encrypted Silica Fume ,
Zirconium Silicon Fume
