Steatite Grinding Balls (BS-64)

Steatite grinding balls are used for size reduction of minerals, dyes, pigments, cement paints, printing inks and paints in ball mill grinding and attritors. Steatite ceramic is very hard, low on contamination and has anti-wear properties.

Steatite Balls

Available sizes of type BS-64 grinding balls: 3 mm, 6 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm, 60 mm and 70 mm. Minimum order quantity 100 kg per size.

Main specifications of Steatite Grinding Balls Type BS-64

Material Properties Units Steatite C-220
Specific gravity g/cm3 2,55
Open Porosity max. Vol.% 0
Flexural strength min. Gpa 80
Young modulus min. N/mm2 120
Coefficient of lineair thermal expansion (20ºC to 600ºC) 10(-6)K(-1) 7 – 9
Mohs hardness Scale >7
Thermal Conductivity (20ºC to 100ºC) W/m.K 3
Chemical and Main Specification Value
SiO2 max. 64%
MgO max. 31%
AL2O3 4%
Fe2O3 <1.4%
Na2O + K2O 1.2%
CaO
Example of Steatite Grinding ball 70mm BS-64 70mm. Its weight is approx 470 grams a piece.

Example of Steatite Grinding ball 70mm BS-64 70mm. Its weight is approx 470 grams a piece.