~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Specific Gravity (30oC) : 1.40 to 1.45
Viscosity (30oC) by B4cup : 45 Secs to 60 Secs
Viscosity (In Cps Units) : 150 Cps to 200 Cps
Total alkalinity as K2O : 14.25 to 15.00
K2O % : 13.50 to 14.50
Na2O % : 0.5 % Max
SiO2 % : 28.52 to 29.50
Weight Ratio : 1:1.90 to 1:2.05
Mole Ratio : 1:2.95 to 1:3.20
2. Specification of Potassium Silicate K-120
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Specific Gravity (30oC) : 1.59 to 1.61
Viscosity (30oC) by Red Wood : 500 Cps to 600 Cps
Total alkalinity as K2O% : 20.50 to 21.50
K2O % : 18.80 to 19.80
Na2O % : 1.10 max
SiO2 % : 30.00 to 33.00
Weight Ratio : 1:1.45 to 1:1.55
Mole Ratio : 1:2.26 to 1:2.42
3. Specification of Potassium Silicate Electronic Grade
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Specific Gravity (25oC) : 1.24 to 1.25
K2O (% By Wt.) : 8.50 to 9.00
SiO2 % (% By Wt.) : 18.00 to 19.60
Weight Ratio : 2.10 to 2.25
Mole Ratio : 3.28 to 3.50
Sodium as Na : 1000 to 1200 PPM
Aluminum as Al : 60 PPM (Max)
Iron as Fe : 35 PPM (Max)
Titanium as Ti : 10 PPM (Max)
Copper as Cu : 1 PPM (Max)
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