Item
|
Index
|
Na2O
|
49.5%-51.5%
|
SiO2
|
45.0%-47.0%
|
Fe
|
200 ppm max.
|
Whiteness
|
85% min.
|
Bulk Density
|
1.05%-1.35% g/cm3
|
Particle Size
|
80 mesh
|
Absorption Ca2+
|
360 mg/g
|
Absorption Mg2+
|
380 mg/g
|
as a binder in the preparation of refractory bricks, castings etc.; ceramic Industry - as a component to increase the fluidity of the water slurry of clay.