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| Zacsil 865D |
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| Potassium silicate |
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| 1312-76-1 |
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* Welding rods
Potassium silicate is specifically recommended as a binder for consumable electrodes ("stick rods") which are used with alternating current welding machines. Along with good binding properties, potassium silicate serves as a fluxing component and produces a steady hot arc, with lower are voltage than sodium silicate, which tends to sputter or extinguish.
* Television & Oscilloscope tubes
Potassium silicate is almost universally used to settle and bind phosphors to the face of black and white television picture tubes.
* Cleaning compounds & Corrosion inhibition
The superior solubility and compatibility of potassium silicate with surface active agents, solvents, electrolytes and diluents give the formulator a wider choice than permitted with sodium silicate.
* Catalyst support
Silica supports for catalysts can be prepared with potassium silicate or sodium silicate via formation of a gel with acid.
* Mortars
Potassium Silicate shows a high value-in-use as a binder in mortars which must withstand acidic conditions other than hydrofluoric acid.
* Coatings
Since potassium silicate films do not bloom or effloresce, potassium silicate is useful as a pigment vehicle for brick, concrete, and stone. Silicates are also used in hardening and dustproofing concrete. A siliceous deposit closes the pores to make the concrete surface less permeable to oils and other liquids. |
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Weight Ratio (SiO2:K2O): 2.10
Mole Ratio (SiO2:K2O): 3.33
Wt% (SiO2): 24.36
Wt% (K2O): 11.60
Baume 60'F : 37.50
lbs./gal.@ 60'F : 11.2
Viscosity Cps @ 77'F : 37 |
| Industrial field |
additive, civil & construction, dye & pigment, paint & coating |
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