Zinc oxide is extensively used in enamels. It regulates the expansion coefficient, Improves glaze and texture & also enhances opacity and whiteness. Furthermore, it is widely used in porcelain enamel frits & in glazes & sanitary ware.
Description Property | Unit | Spes | Ace |
---|---|---|---|
ASSAY ZNO | % | 99.4 | 99.7 |
Bulk DENSITY | gm/cc | 0.6-0.8 | 0.65 |
ZN Content | % | 76 | |
PH(2% acq. Solution) | 7.0-7.5 | 7.1 | |
Moisture Content | % | 0.5max | 0.1 |
Loss On Ignition at 800 c | % | 0.5max | 0.25 |
Specifies Surface Area | m2/g | 5-7.00 | 5.9 |
Specific Gravity | 5.50-5.60 | 5.5 | |
Residue through 45 micron | % | 0.15max | 0.03 |
Matter soluble in Water | % | 0.2max | 0.02 |
Matter insoluble in HCL | % | 0.15max | 0.05 |
Colour / Whitness | % | SS White | ok std |
Arsenic | % | 0.001 | NIL |
Lead | % | 0.15 | 0.05 |
Cadmium | % | 0.001 | NIL |
Iron | % | 0.001 | NIL |
Aluminium | % | 0.001 | NIL |