27Aug 2021 by admin
Testing standard of microsilica fume fluidity

Testing standard of microsilica fume fluidity

Blogs
Although the fluidity of micro-silica fume has a certain relationship with the silicon content, it is not proportional. The same is 92 silica fume, some have good fluidity, and some have no fluidity at all. In addition, when testing, a dispersant must be added. If sodium tripolyphosphate does not work,…
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01Nov 2019 by admin
Silica fume vs fly ash

Silica fume vs fly ash

Blogs
Micro silica, also known as silica fume or agglomerated silica fume, its process is that when ferroalloys in the process of smelting ferrosilicon and industrial silicon (metal silicon), produced a large amount of highly volatile SiO2 and Si gas, rapidly oxidized and condensed with air. It is ultrafine, so it's…
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26Sep 2018 by admin
Fluidity test of densified silica fume and undensified silica fume

Fluidity test of densified silica fume and undensified silica fume

Blogs
Because of its high activity, water-reducing and reinforcing properties, micro-silica fume plays an important role in the construction cement mortar concrete industry. Therefore, it is widely used in construction, metallurgy, chemical industry, cement and other industries. The raw silica fume is lighter, transportation is more difficult and cost is high.…
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26Sep 2018 by admin
How much silica fume to add to concrete?

How much silica fume to add to concrete?

Blogs
Because of construction materials, micro silica fume (silica fume) can fill the pores between cement and concrete particles, and form gel with hydration products, and react with basic material magnesium oxide to form gel. It can greatly improve the strength and density of concrete, and is widely used in refractory,…
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18Sep 2018 by admin
Silica fume price per kg

Silica fume price per kg

Blogs
Commonly silica fume price per kg is $ 0.2-0.8. The market price of micro silica fume is affected by many factors: 1, the SiO2 content, quality, specification, densification degree, performance and other parameters. 2, production costs are related to the market prices of raw materials. 3, packaging transportation and distance…
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11Aug 2018 by admin
Can you use microsilica on roadways?

Can you use microsilica on roadways?

Blogs
Silica fume is an excellent material with broad application prospects at home and abroad. It has been widely used in water conservancy, electric power and other industries, and is often used in the design of modern high-speed railway. Used in cement or concrete to improve the performance of cement or…
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11Aug 2018 by admin
Silica fume (minecrete) shotcrete

Silica fume (minecrete) shotcrete

Blogs
Micro-silica fume is high-performance mineral admixture with volcanic ash, which is mainly used to improve the strength and durability of concrete and can replace micro-silica fume Portland cement. The performance of dry-mix and wet-mix shotcrete can be greatly improved by using micro silica fume, such as the application in rock…
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16Jul 2018 by admin
Use of microsilica in concrete

Use of microsilica in concrete

Blogs
Characteristics of silica fume: 1. The microsilica is a kind of neutral inorganic filler with stable physical properties and chemical properties. It does not contain crystalline water, does not participate in the curing reaction and does not affect the reaction mechanism. 2. It has good wettability to all kinds of…
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