FLINT PEBBLES
Industrial Names: Silex grinding balls

ELEMENT

%

Loss on ignition

0.63

Silica ( SiO2 )

97.56

Alumina ( Al2O3 )

0.21

Iron oxide ( Fe2O3 )

0.15

Lime ( CaO )

0.05

Magnesia ( MgO )

0.1

Titania ( TiO2 )

0.01

Soda ( Na2O )

0.03

Potash ( K2O )

0.08

Manganese ( MnO2 )

0

Total

99.82

PHYSICAL ANALYSIS

Milling losses

24 hours: 0.34 – 0.50 %.

Density

2.61.

Hardness

7-8 moh`s.

Natural color

L. Brown.

Firing Color

Pure White.

Melting Point

1800 – 2000 C

Standard Sizes : 0-2 cm, 2-4 cm, 4–6 cm,  6–8 cm, 8–10 cm, 10–12 cm and 12-15 cm