03Jan 2018 by admin No Comments
How many ratio is the most suitable of silica fume in concrete?

How many ratio is the most suitable of silica fume in concrete?

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Micro silica ,also called silica fume or micro silica, is a byproduct of production silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric furnaces.The raw materials are quartz,coal and woodchips. The smoke that results from furnace operation is collected and sold as silica fume, silica fume consists primarily of amorphous(non-crystalline) silicon dioxide(SiO2),its average granule diameter is…
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03Jan 2018 by admin No Comments
What does the utility of silica fume?

What does the utility of silica fume?

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Micro silica ,also called silica fume or micro silica, is a byproduct of production silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric furnaces.The raw materials are quartz,coal and woodchips. The smoke that results from furnace operation is collected and sold as silica fume, silica fume consists primarily of amorphous(non-crystalline) silicon dioxide(SiO2),its average granule diameter is…
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03Jan 2018 by admin No Comments

Is silica fume harmful?

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silica fume is harmful to lung, easy scald, the operation must not explode easily when furnace! If mix into arsenic that is poisonous, arsenic! Body dropsy, hair whiten, complexion is hoar, toxic even death Silica fume [the exterior and character] : Black Brown amorphous metalloid powder or hard and the crystal of luster. [main use] : Use at making compound…
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03Jan 2018 by admin No Comments
Microsilica Refractory

Microsilica Refractory

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Micro-silica fume is a by product of high purity quartz, coke and sawdust reduction in the production of ferrosilicon or metallic silicon during the production of complex reactions in smelting. Among them, the quartz stone and carbon at 1750 ℃, the reduction reaction to produce unstable carbon monoxide, the temperature is higher than 2160 ℃, SiO gas containing gas sent…
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03Jan 2018 by admin No Comments
Microsilica Concrete

Microsilica Concrete

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Micro-silica fume is a by product of high purity quartz, coke and sawdust reduction in the production of ferrosilicon or metallic silicon during the production of complex reactions in smelting. Among them, the quartz stone and carbon at 1750 ℃, the reduction reaction to produce unstable carbon monoxide, the temperature is higher than 2160 ℃, SiO gas containing gas sent…
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03Jan 2018 by admin No Comments
Microsilica 970 U

Microsilica 970 U

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The color of the micro-silica powder is between the light gray and the dark gray, SiO2 itself is colorless, its color depends mainly on the content of carbon and iron oxide, the higher the carbon content, the darker the color, the other Natural silica fume color dark. The particle size of the silica powder is less than 1um, the average…
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03Jan 2018 by admin No Comments
Microsilica 950 U

Microsilica 950 U

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The color of the microsilica powder is between the light gray and the dark gray, SiO2 itself is colorless, its color depends mainly on the content of carbon and iron oxide, the higher the carbon content, the darker the color, the other Natural silica fume color dark. The particle size of the silica powder is less than 1um, the average…
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03Jan 2018 by admin No Comments
Microsilica 950 D

Microsilica 950 D

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Micro-silica fume is a by product of high purity quartz, coke and sawdust reduction in the production of ferrosilicon or metallic silicon during the production of complex reactions in smelting. Among them, the quartz stone and carbon at 1750 ℃, the reduction reaction to produce unstable carbon monoxide, the temperature is higher than 2160 ℃, SiO gas containing gas sent…
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03Jan 2018 by admin No Comments
Microsilica 930 U

Microsilica 930 U

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Microsilica 930 U is a dry powder microsilica admixture for portland cement concrete and mortars. Microsilica 930 U is a pozzolanic material that consists primarily of fine silicon dioxide particles in a non-crystalline form. Microsilica 930 U meets the requirements of ASTM C-1240 and contains a minimum of 93% silicon dioxide (SiO2) Henan Superior Abrasives I/E Co., Ltd is one…
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03Jan 2018 by admin No Comments
Microsilica 930 D

Microsilica 930 D

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The color of the micro-silica powder is between the light gray and the dark gray, SiO2 itself is colorless, its color depends mainly on the content of carbon and iron oxide, the higher the carbon content, the darker the color, the other Natural silica fume color dark. The particle size of the silica powder is less than 1um, the average…
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