Sodium Silicate Soli

            ITEM

                  INDEX

     1

    2

3

Modulus (M)

2.0+-0.1

2.3-2.5

3.2-3.4

Total soluble solid(Na2O+SiO2),%≥

                    98

Sodium oxide (Na2O), % :

33 (+-1.0 )

29+-1.0

23+-1.0

Silica oxide (SiO2), % :

66 (+-1.0 )

69+-1.0

76+-1.0

Fe, % ≤

                   0.05

Insolubles in water,% ≤

                     1