
Silica Fume For Shotcrete And Gunite Applications
Silica fume is a pozzolanic material that is typically used as an additive in Shotcrete and Gunite applications. It is a finely divided residue that is created as a by-product during the production of silicon metal and ferrosilicon alloys
Description
ZhenAn International Co., Limited is one of the most reliable manufacturers and suppliers of silica fume for shotcrete and gunite applications in China. With abundant experience, we warmly welcome you to wholesale discount silica fume for shotcrete and gunite applications in stock here from our factory. Quality products and reasonable price are available.
Products Description
Silica fume can enhance the compressive strength, durability, and abrasion resistance of Shotcrete and Gunite, making it an ideal choice for a wide range of construction projects. It is also highly resistant to attack from acids, chlorides, and other aggressive chemicals, which makes it suitable for use in harsh environments such as marine structures and wastewater treatment facilities. Overall, the addition of silica fume to Shotcrete and Gunite has been shown to improve the performance and longevity of these applications, making them more economical and sustainable alternatives to conventional construction methods.
Specfication
|
Molecular Weight (g/mol.) |
60.08 |
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Density (g/cm3) |
2.2 |
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Odor |
none |
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Freezing Point (°C) |
1700 |
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Boiling Point (°C) |
2230 |
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Color |
white |
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pH (approximately 4% silica in water) |
4.0 |
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Knoop Hardness (1200 kgf/mm2) |
|
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Physical State |
solid powder |
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Vapor Pressure (@20°C) |
0.01mm |
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Solubility In Water |
insoluble |


Products Description
1. High compressive strength: Silica fume's ultrafine particles fill in the gaps between the cement and aggregates in the concrete matrix, resulting in a denser and stronger final product.
2. Excellent durability: With its pozzolanic properties, silica fume reacts with calcium hydroxide in the concrete to form additional cementitious materials, which improves the concrete's resistance to chemical attacks, abrasion, and freeze-thaw cycles.
3. Improved workability: The addition of silica fume to the concrete mix reduces the water requirements while maintaining the same consistency, resulting in a more workable mix that can be easily sprayed or applied.
4. Reduced permeability: Due to its ability to pack the interstitial spaces in the concrete, silica fume decreases the permeability of concrete, improving its resistance to water and other environmental factors.
5. Enhanced bonding: Silica fume's fine particles improve the bond between the concrete and reinforcing steel, resulting in a more cohesive and reliable structure overall.
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