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Fly ash is a finely divided residue made from the combustion of pulverized coal that can be used to increase concrete durability and workability, while reducing permeability. As fly ash contains aluminous and siliceous components, it may form cement when mixed with water if the calcium content of the fly ash is high enough. Similarly, mixing fly ash with lime and water can create a substance similar to Portland cement. Fly ash can be separated into two main types, known as: Class F Class F fly ash contains particles covered in a type of melted glass allowing it to reduce the risk of concrete expansion and increase resistance to sulfates and alkali-aggregate reactions. Class C Class C fly ash contains a higher percentage of calcium oxide, making it more effective in strengthening structural concrete. Applications & Benefits of Fly Ash: Fly ash is used in commercial and industrial sectors for improving the durability and workability of concrete mixes. Fly ash is also used as filler in paints, adhesives, and metal and plastic composites. It's commonly used as structural fill for road construction and fly ash can be used to make bricks, ceramic tiles, plaster, Portland cement, and ready-mix cement.
| HS Code | 2621.99 |
| Brand | EximNext |
| Material | Class F Fly Ash (Pozzolanic Coal Combustion By-product) |
| Grade/Type | Class F (low-calcium pozzolanic grade) |
| Purity/Composition | SiO2 + Al2O3 + Fe2O3 >= 70%; Loss on Ignition (LOI) <= 6% |
| Fineness | Retained on 45 micron sieve <= 34%; Specific surface area 300-500 m2/kg |
| Standard | ASTM C618, EN 450-1, IS 3812 |
| Moisture Content | <= 1% by mass |
| Application | Concrete admixture, cement replacement (up to 35%), masonry mortar, road construction, soil stabilization |
| Packaging | Bulk pneumatic tanker, 25kg/50kg bags, 1MT jumbo bags |
| Origin | Coal-fired power plants; major sources include India, China, Indonesia, USA |
Fly ash is a pozzolanic by-product of coal combustion widely used as a supplementary cementitious material in concrete and cement production. Class F fly ash, derived from anthracite or bituminous coal, enhances durability, reduces permeability, and improves workability while lowering production costs. It is traded globally in bulk or bagged form, with key import markets including North America, the Middle East, and Southeast Asia for infrastructure and green construction projects.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Fly Ash is offered by Maxtech International Trading, a Supplier based in Qatar. This supplier provides wholesale quantities suitable for bulk importers, distributors, and businesses worldwide. Contact the supplier to request pricing, discuss trade terms, and arrange shipping to your destination.
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