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The noble slag balls are widely used as abrasives for industrial applications. They are created in the process of spraying liquid steel slag using a modern technology called Slag Atomizing Technology (SAT). The stream of liquid steel slag is converted into spherical slag balls of different sizes by supercooling the molten slag, using the rapid heat exchange of the falling liquid steel slag in a high velocity air flow. During this process, free CaO and Fe2O3 are dispersed to form a solid PS ball and thus produced in a stable spinel structure.
Characteristics of PS BBs
– They are environmentally friendly as the material is pollution-free and non-toxic.
– It has a natural, characteristic hardness.
– It is non-toxic due to its properties due to its structure, shape, physical and chemical composition.
– Its spinel structure ensures the stability of the physical and chemical composition, eliminating all causes of contamination.
– Compared to sand, it has better compressive strength, hardness and rainproof properties.
– PS Ball is an economical material compared to other mineral materials.
– The performance of the abrasive facilitates recycling, reducing wear and increasing efficiency. Depending on the hardness of the surface, it can be recycled up to 3-4 times.
– This material is easier to manufacture and supply compared to copper slag and garnet mineral abrasives.
– Storage is easy.
– Lower levels of dust and contamination make it less risky to use in various field operations and less harmful to the health of operators.
Applications of PS BBs
Unlike mineral abrasives such as garnet, the PS ball is completely dust free, making it suitable for use in surface preparation, rust removal and shipbuilding. It is also commonly used for ship maintenance.
PS balls are used in crude oil storage tanks, bridge construction works, in the construction of heavy steel structures, on drilling platforms, etc .; mainly for cleaning and surface preparation, and for cleaning welded surfaces in storage tanks prior to recoating.
It can be used as an abrasive to clean the surface of materials and prepare them for painting.
The typical features make PS BBs ideal for abrasive blasting applications as they provide adequate material atomization in terms of size, density, hardness and durability.
Due to their high mass specific gravity of 2.42 kg / l, the noble slag balls are widely used as a counterweight in many applications.
The PS ball is also used as a filter medium because it does not soak up water and is very durable.
Due to their anti-skid properties, PS Balls can be used as a surface on roads or as a surface for concrete and asphalt roads. It adheres effectively to asphalt or concrete and can therefore be used as an effective repair or reinforcement material for a variety of purposes.
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Source by Usha Sunil