18Dec 2017 by admin
Pellet granular micro silica fume powder price

Pellet granular micro silica fume powder price

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The micro silica powder can be divided into powdered micro silica fume and granular silica fume powder according to its morphology. In general, the powdered micro silica fume is not processed by the densified equipment; the granular micro silicon powder is processed by the densified equipment. There is a great…
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18Dec 2017 by admin
Black silica fume for sale

Black silica fume for sale

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The color of the silica fume is roughly divided into three kinds: black, gray, gray-white. There are many factors that cause the different color of micro silica fume. The color of micro silica fume is different by different smelting recipes and raw materials. However, the content of silicon will not change…
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18Dec 2017 by admin
NS Nano silica in concrete ppt

NS Nano silica in concrete ppt

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Nano silica (also named as nano-silicon dioxide) is a kind of inorganic chemical material, commonly known as white carbon black. Because of its ultra-fine nano scale and its size range of 1-100nm, it has many unique properties, such as optical properties against ultraviolet, which can improve other materials' anti-aging, strength…
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18Dec 2017 by admin
White silica fume suppliers in China

White silica fume suppliers in China

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White micro silica powder (powdery) is a very rare microsilica fume. It is very strict on the raw material and production process. Its production is very small, and it can be used in superfine fillers with high whiteness requirements, such as grouting agent, sealant, repair agent and so on. The…
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18Dec 2017 by admin
Calculation method of specific surface area of silica fume

Calculation method of specific surface area of silica fume

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Microsilica can be filled in the pores of cement particles, and with hydration products produce gel, with alkaline material Magnesium Oxide produce gel. In cement based concrete, mortar and refractory castables, a proper amount of silica fume is added to the cement, and the effect of water reducing and strengthening…
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18Dec 2017 by admin
Microsilica Refractory

Microsilica Refractory

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Microsilica index: Itme SiO2 Al2O3 Fe2O3 MgO CaO NaO PH average value Content 75～98% 1.0±0.2% 0.9±0.3% 0.7±0.1% 0.3±0.1% 1.3±0.2% neutral Application of micro silicon powder in refractories: As a new material, micro silicon fume is widely used in the refractory industry. It has an important effect on the improvement of…
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18Dec 2017 by admin
Castable refractory properties

Castable refractory properties

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Castable refractory types: According to the density: heavy (> 2.0g/cm3), medium weight (1.0-2.0g/cm3) and light weight (0.4-1.0g/cm3); According to the binder: hydration, chemical combination, condensation, hydration and condensation. According to the material: clay, high alumina, siliceous, magnesia, aluminum magnesia, magnesia chrome, magnesium zirconium, carbonaceous siliceous material. Models of refractory castables:…
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16Dec 2017 by admin
Disadvantages of silica fume in concrete

Disadvantages of silica fume in concrete

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Silica fume can be used either as a densified microsilica or undensified micro silica fume powder, a slurry, as a combination at the concrete mixer, or part of a factory-blended cement. The following terms are used with specific meanings: - blending: mixing together cementitious components either at the concrete mixer…
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