Appearance

                 Colorless liquid

Density (20 cen. deg)

                 1.37-1.39 g/cm3

K2O

                  10.5- 12.5%

SiO2

                  23.5- 26.5%

S

                  0.03% max

P

                  0.03% max

Water insoluble

                  0.3% max

Appearance

                  Light yellow to white granular

Moisture

                  1% max

C-K2O

                   21%min

W-K2O

                   3% max

T-SiO2

                   26%min

Particle size

                   2-5mm