the strongest opacifier in glazes.
- Used in amounts
from 1-10% preferably in low to medium temperatures.
- Can act as
a flux at high temperatures in the monoxide (stannous oxide -
- Can be used
as a reducing agent, added as 0.1% to a glaze for C.5 and above.
viscosity particularly over 8%.
- Stannic oxide
(SnO2) the most common white form.
oxide (SnO) the black form.
- An important
ingredient in underglaze colours (yellow, pink, red, crimson).
reds with chrome oxide.