Microsilica, also known as silica fume, it is a very fine pozzolanic material, composed of amorphous silica produced byelectric arc furnaces as a byproduct of the production of elemental silicon or ferro silicon alloys.Microsilica can be used in a variety of cementitious products such as concrete,grouts,and mortars as well as elastomer, polymer,refractory, ceramic and rubber applications.
Silica fume is widely used in concrete field: High-performance project, such as bridge, airport, hydropowder station, seawall, railway projects.
1)Enhance the mechanical properties of concrete.
High strength and early strength has been used in substructures of high-performance concrete.
2)Improve the durability of concrete:
Significant improvements can be seen in the permeability resistance, abrasion resistance, anti-corrosion against chlorideion and anti-freezing of concrete.
3)Enhance consructability.
Improve shotconrete, increase easly strength, control temperature contractors can take advantage of the properties of silica fume concrete to expedite projects or to achieve properties that migh otherwise be impossible to achieve.
Micro Silica also known as Silica fume. It is a by product of producing silicon metal or ferrosilicon alloys in smelter using electric arc furnaces. It is a grey coloured powder, pozzolanic in nature.
Applications
Concrete Industry
Refractory
Rubber Industry
Anti caking agent
Pellet Binder
Natural Silica (chemical name for the mineral quartz and a synonym for silicon dioxide) Silica is a compound of the elements silicon and oxygen. It is not chemically combined with other elements. When the basic structure of the molecule is a pattern that is repeated and symmetrical, the silica is considered to be "crystalline." Silica is considered to be amorphous if the molecule lacks crystalline structure. In this brochure, the term silica is used to mean crystalline silica (or crystalline silica's most common form, quartz).
Used in manufacture of special steels and cast iron, aluminum alloys, glass and refractory materials, ceramics, abrasives, water filtration, component of hydraulic cements, filler in cosmetics, pharmaceuticals, paper, insecticides, rubber reinforcing agent - especially for high adhesion to textiles, anti-caking agent in foods, flatting agent in paints, thermal insulator. Fused silica is used as an ablative material in rocket engines, spacecraft, silica fibers used in reinforced plastics.
Available in Micro silica, Fused Silica, Amorphous Silica, Precipitated silica, Quartz powder different mesh sizes and fine powder as per requirement.
Packing: Standard 25kg. HDPE wove sack or paper bag.
Micro silica also known as fume, is an amorphous (non-crystalline) polymorph of silicon dioxide, silica. It is an ultrafine powder collected as a by-product of the silicon and ferrosilicon alloy production and consists of spherical particles with an average particle diameter of 150 mm. The main field of application is as pozzolanic for high performance concrete because of its extreme fineness and high silica.
Applications :
Silica is added to Portland cement concrete to improve its properties, in particular its compressive strength, bond strength, and abrasion resistance. These improvements stem from both the mechanical improvements resulting from addition of a very fine powder to the cement paste mix as well as from the pozzolanic reactions between the silica fume and free calcium hydroxide in the paste.
Advantages :
Addition of silica also reduces the permeability of concrete to chloride ions, which protects the reinforcing steel of concrete from corrosion, especially in chloride-rich environments such as coastal regions and those of humid continental roadways and runways (because of the use of deicing salts) and saltwater bridges.
Silica sand, also known as quartz sand, is composed mainly of silicon dioxide (SiO). It is a naturally occurring mineral that is commonly used in a variety of industries due to its properties like durability, high melting point with low iron content , customization and resistance to weathering. Here are some common uses and facts about silica sand:
Common Uses:
Glass Manufacturing: Silica sand is a primary raw material in the production of glass, including container glass, flat glass, and specialty glass.
Construction: It is used in concrete, mortar, and other construction materials, as well as for sandblasting.
Foundries: Silica sand is used in foundry molds and cores for casting metal parts.
Water Filtration: The sand is used in water filtration systems because of its ability to trap contaminants.
Oil & Gas Industry: It is used in hydraulic fracturing (fracking) to prop open fractures in shale rock to extract oil and natural gas.
Sports & Leisure: Silica sand is used in products like sandboxes, golf course bunkers, and artificial turf.
Properties:
Hardness: Silica sand is known for its hardness, typically ranking around 7 on the Mohs scale, which makes it useful for many industrial applications.
Grain Size: The grain size of silica sand varies, with smaller grains being used for things like glass and larger grains being used for sandblasting or filtration.
Color: It can vary in color, from white to tan or even pink, depending on impurities and iron content.
Silica Flour has a variety of applications, including:
1. Used as cleaning products
2. Additives for soap, toothpaste and paint
3. Filling and reinforcing rubber, plastic, paper, and road surface materials (asphalt)
4. Used in pharmaceutical products
5. Used in casting and glass production
6. For the production of ceramics, tiles, porcelain, and clay
7. Used in making bricks, concrete, and cement
8. Production of cosmetics and skin care products
9. To increase the cement strength of oil wells (in combination with refractory cement)
In addition to the above, Silica Flour is used in conjunction with industrial raw products such as calcium carbonate, and limestone. The most common uses of silica powder are in the following cases:
1. Production of glass and clay
2. Use in oil wells
3. Production of construction materials
4. Production of ceramics
5. Fiberglass production
6. Use as an additive
Silica Flour has a variety of applications, including:
1. Used as cleaning products
2. Additives for soap, toothpaste and paint
3. Filling and reinforcing rubber, plastic, paper, and road surface materials (asphalt)
4. Used in pharmaceutical products
5. Used in casting and glass production
6. For the production of ceramics, tiles, porcelain, and clay
7. Used in making bricks, concrete, and cement
8. Production of cosmetics and skin care products
9. To increase the cement strength of oil wells (in combination with refractory cement)
In addition to the above, Silica Flour is used in conjunction with industrial raw products such as calcium carbonate, and limestone. The most common uses of silica powder are in the following cases:
1. Production of glass and clay
2. Use in oil wells
3. Production of construction materials
4. Production of ceramics
5. Fiberglass production
6. Use as an additive
Silica Flour has a variety of applications, including:
1. Used as cleaning products
2. Additives for soap, toothpaste and paint
3. Filling and reinforcing rubber, plastic, paper, and road surface materials (asphalt)
4. Used in pharmaceutical products
5. Used in casting and glass production
6. For the production of ceramics, tiles, porcelain, and clay
7. Used in making bricks, concrete, and cement
8. Production of cosmetics and skin care products
9. To increase the cement strength of oil wells (in combination with refractory cement)
In addition to the above, Silica Flour is used in conjunction with industrial raw products such as calcium carbonate, and limestone. The most common uses of silica powder are in the following cases:
1. Production of glass and clay
2. Use in oil wells
3. Production of construction materials
4. Production of ceramics
5. Fiberglass production
6. Use as an additive
Silica is mainly used as a carrier of agricultural chemicals. Finely crushed silica powder is coated with agricultural chemicals and sold on the market for agricultural use. Silica itself has no effects; it merely serves as a carrier, and so can be dispersed without affecting the farmland, which makes it advantageous as a core material.
It's used as Fire-resistant product powder, Agricultural chemical carrier, Agricultural chemical carrier, Construction board
Micro Silica Powder that we offer is well processed and therefore, is the perfect option on which buyers can easily rely. We are named among the renowned Manufacturers, Exporters and Suppliers of Micro Silica Powder. It is formulated under the strict vigilance of experts so as to ensure its accurate composition. One can place retail as well as bulk orders for Micro Silica Powder with us.
Description : Silica fume consists of very fine particles. Because of its extreme fineness and high silica content, silica fume is a highly effective pozzolanic material. Being a highly reactive pozzolan, silica fume chemically reacts with the calcium hydroxide present in the cement paste, creating a stronger calcium silica hydrate 'making it sticky'. The result is improved paste to aggregate bond (excellent for shotcrete) and higher concrete strengths. Silica Fume is typically grey in colour and is categorised as a supplementary cementitious material (SCM). Silica Fume is compliant to AS/NZ 3582.3:2002 and is described as a Densified Amorphous Fumed Silica.
Typical Uses : Silica Fume can be used to produce all grades of concretes. The chemical and physical properties of Silica Fume can greatly enhance the strength performance and the bonding properties of concrete. Silica Fume can be used in various applications and projects: Commercial, Civil, Mining and Marine projects. Silica Fume is suitable for inclusion in general concrete mix designs and in particular has application in high strength/ performance concretes and shotcrete / spray mixes.
Features : The addition of Silica Fume can provide;
Increase compressive strength
Reduces chloride ion permeability
Increase abrasion resistance
Enhanced sulphate resistance
Improved durability
Enhanced resistance to chemical attack and deterioration
Increase bond strength
Silica Sand * Silica Sand is a type of sand usually available in the form of quartz. It is a hard and crystalline form of mineral components. * Silica sand is the most abundant mineral with the purity more than 99.0%. It is the preferred choice of consumption for various industrial purposes.
Microsilica (silica fume) is a by-product of silicon metal or ferrosilicon industries, is an amorphous silicon dioxide SiO2. This product reacts chemically with the calcium hydroxide in the cement paste which yields a calcium silicate hydrate gel that significantly enhances strength and durability. The super fine microsilica fills the voids between cement particles creating a very dense, less permeable concrete.
Physical characteristics:
Color: gray or gray white powder
Bulk density: 320-700 kg/m3
Chemical composition:
Items SiO2 Al2O3 Fe2O3 MgO CaO Na2O Moisture
Content
75-98%
1.0-0.2%
0.9-0.3%
0.7-0.1%
0.3-0.1%
1.3-0.2%
Fineness:
the fineness of the silica fume is less than 1 1/4m, and the average particle size is 0.1 0.3 1/4m, and the specific surface area is 20 - 28 m2/g. The fineness and specific surface area are about 80-100 times of cement and 50-70 times of fly ash.
Maxtech Micro Silica supplies will be as per QCS 2014 (ASTM C1240):
SiO2: >/= 92%
LOI: <6
Moisture Content: <1%
Activity Index at 7 days: > 105%
Application & Benefits of Microsilica (Silica fume):
In concrete:
The micro silica fume powder can be well filled in the cement particle space and make the slurry denser, mainly in the following:
Increase strength
Increase the density
Frost resistance
Early strength
Anti abrasion and anti-cavitation resistance
In Refractories:
Microsilica powder is widely used in the refractory industry. It has an important effect on the improvement of the amorphous refractory.
The production of amorphous and shaped refractory products as additives makes the strength and high temperature performance greatly improved.
Other Application:
Elastomers/Polymers
Silica sand is one of the most common varieties of sand found in the world. It is used for a wide range of applications. Sand is the general term for broken down granules of minerals or rocks, technically between about one-sixteenth of a millimeter to two millimeters in diameter, falling between silt and gravel in the spectrum of sizes. There are many varieties of sand in the world, each with their own unique composition and qualities.
Silica is another name for Silicon dioxide, SiO2, of which quartz is a specific latticed structure. So, silica sand is quartz that over the years, through the work of water and wind, has been broken down into tiny granules. These granules can be used for many different purposes and can be found in most non-tropical regions of the world.
