Steatite ceramic balls and mill lining bricks are manufactured from the same fine-grained composite and are ideal performance partners. Thus, they retain their shape better and last longer than flint / river pebbles, natural stones, porcelain etc. Due to their higher density, hardness, toughness and a higher degree of sphericity, Steatite ceramic grinding media saves over 20-25% milling time than river pebbles. (Steatite ceramic grinding media generate low heat in the milling process. They are ideal for milling where radiantes are sensitive to temperature, such as paints, phosphorus material, chemical solvents etc.)
Advantages
· Higher density, hardness & sphericity : As compared to flint river pebbles and natural stone.
· Longer milling life : As Steatite grinding media have dense homogeneous internal microstructures, it offers superior wear resistance as compared to other conventional media.
· Wide range of sizes : Steatite satellite type grinding media is available in 8 assorted sizes Ø 6, 8, 10, 12.5, 15, 20, 25, 30 and Isostatic (ISO) pressed media 40, 50 & 60 mm diameter to meet the most demanding applications for dispersion and particle size reduction.
· Easy to use : Steatite grinding media is fully vitrified, non-porous and satin smooth in surface finish, allowing easy and thorough cleaning while changing the charge from one color shade to another.
· Low contamination : With high levels of homogeneity, wear rate of our Steatite grinding media is so insignificant, that it has no effect on the color & composition of the end milled product.
· Uniform quality : Steatite grinding media is produced in the most modern plant under stringent quality control checks at various stages of manufacturing to ensure consistency in quality and elevate the grinding media to the highest quality level.
Steatite Ceramic spherical & cylindrical grinding media for various types of mills.
Ball mills : Ball mills are the most commonly used mills to accomplish particle size reduction. A revolving vessel, the ‘drum’, lined with ceramic bricks contains grinding media and the raw material to be ground.
Ball mills are classified into :-
Batch type & Continuous type : Batch type ball mills are versatile and most widely used. Particle size reduction takes place by the impact on the material with the tumbling grinding media and by abrasion between the media and the mill wall.
Recommended size are:
25mm, 30mm, 40mm, 50mm, & 60mm
Selection of grinding Media
For a fresh charge, it is the most general practice to use three different ball sizes: 25% of large size, 50% of medium size & 25% small size. There might be cases where using 2 to 4 different sizes of grinding balls may be necessary. This will require a change in the proportions of each size used. For topping of the mill, we suggest a selection of the largest dia balls.
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