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Copper slag is a by-product of copper smelting, where impurities form a slag that floats on the molten metal. When cooled in water, it assembles angular granules, whichever can be either discarded or utilized in various applications. This slag primarily contains iron and silicon oxides. The main components in a smelting charge are iron and copper sulphides and oxides. The charge also includes oxides like silica (SiO2), aluminum oxide (Al2O3), lime (CaO), and magnesia (MgO), either naturally present or added as flux. Iron, copper, sulphur, oxygen, and their oxides primarily control the smelting chemistry and structure.
Copper slag is not flammable, combustible, or explosive, and poses no unusual hazards in its unused form. However, Copper slag is used in abrasive blasting machines. When using copper slag as abrasive media in abrasive blasting machine operation less dust is generated.
During smelting, this process produces two separate liquid phases: copper-rich matte (sulphides) and copper slag (oxides). Adding silica helps form strong silicate anions with the oxides, creating the copper slag phase. Silica is added to isolate copper in the matte effectively. The slag's structure is stabilized with lime and alumina. The molten slag is discharged from the furnace at 1000-1300°C. When cooled slowly, it assembles a dense, hard crystalline product. Rapid cooling by pouring molten slag forms a granulated, amorphous slag.
| Product | Copper Slag |
| Form | Powder, granular |
| Color | Black, Grey |
| Specific Gravity | 3.4 kg/m3 |
| Bulk Density | 2.2 g/cc |
| Country | India |
| Brand | Spray Blast |
Copper slag abrasive could be employed as a partial substitute for sand in concrete production, making it a cost-effective building material. Utilizing copper slag in concrete improves strength, workability, & durability. It is even engaged in blast cleaning, offering fast cleaning speeds with less dust formation.
Copper slag could be utilized in concrete production as a partial substitute for sand, reducing construction costs. It is also utilized to form building blocks. Studies have shown certain utilizing copper slag in concrete improves strength, workability, and durability, proving its effectiveness in various structural aspects.
Copper slag blasting media is made from leftover metal smelting and is great for fast cleaning in sand blasting machine operations. It comes in three types to fit different blasting needs. Copper slag is hard and dense, so it doesn’t break easily and produces less dust compared to other local slag abrasives. It’s often used for cleaning and restoring heavily painted steel structures like bridges, ships, and water towers.
Due to the scarcity and restrictions on river sand mining, finding alternatives like copper slag is beneficial. Copper slag, a by-product of copper smelting, could be utilized in concrete to reduce environmental pollution and construction costs. It has the physical, chemical, and mechanical properties needed to partially replace fine entirety in concrete.
Throughout the copper slag blasting procedure circumstances the surroundings of the operational areas are contaminated by fine dust from the abrasive media certain is employed, paint, metal chips, & toxic metals. Most of the shipbuilding and ship repair industries started substituting copper slag as abrasive media with eco-friendly media. Consequently, the alternative of established exhibition techniques i.e. blasting employing copper slag grit with less contaminating, environmentally safe and alternative processes whichever do not include less influence on human health and the atmosphere is important. In this work, the harmful outcomes of abrasive blasting media like copper slag grit, and steel shots employed for exterior rehearsal are analysed by evaluating the significance of the material on human beings and the environment. The consequences of its creation are enduring because they cause the blasting efficiency, cost, and pollution generated by the blasting media. The sense of rotating the current blasting material is to diminish the quantity of waste and pollution.
The surface roughness and the effectiveness of rust and paint removal depend on the abrasive media utilized. Common abrasive media include glass, crushed slags, steel shots, steel grits, and ceramic grits. In the past, shipbuilding and repair industries used sand for blasting, but it caused silicosis, a lung disease from inhaling silica dust, leading to less use of sand. Currently, copper slag is widely employed because it is inexpensive, covers a larger area, and is highly efficient.
Spray Blast is one of the best copper slag manufacturers and also the copper slag supplier all over the world. Copper slag price depends on the grade and quality of copper slag abrasive media. We offer all types of abrasive media such as aluminum oxide, steel shot, steel grit, and also offer abrasive blasting machines, sand blasting machines, vacuum blasting machines, thermal spray booths, paint rooms system, thermal spray wire, zinc wire etc.
Spray Blast drives the manner in which joining its resources.Its effectiveness has turned into the foundation in offering competitive types of assistance and machinery for the blasting industries. A specialty player in the segment. It likewise gives accomplices to defensive covering industries.