1. Glazing
What to Remember

2. Underglazes Apply at the bonedry and bisque stages of clay
Mix like paint (slightly different)
Darken when fired
Matte finish
Low fire Δ05 (1904°F)
Not waterproof

3. Glazes Apply at the bisque stage of clay only Chemicals: do NOT mix
Earth tone colors
Glossy finish
High fire Δ5 (2201°F)
Waterproof

4. 4 ways to glaze a pot are: Brush (in class, hardest way)
Dip (in class, second best way)
Spray (best way)
Pour

5. 3 main ingredients in glaze are:
Silica (SiO2): 75% - glass substance to coat, waterproof and create glossy finish
Water (H2O): helps glaze adhere to clay until fired (makes application easier)
Flux (exp. Soda ash or limestone): reduces melting temperature of silica (3182°F to 2732°F) and reduces softening temperature to 1832°F.

6. 2 Reasons to Glaze What is Wax used for? Decoration Waterproof
Prevent glaze from sticking to the clay (used in decoration and on bottom of pot so it does not stick to shelf during firing)

7. Define Glaze
Noun: chemical liquid used to decorate and waterproof pottery
Verb:
to apply glaze to pottery through application processes
To fire in a second “Glaze firing”

8. Steps to PROPERLY glaze a pot:
remove dust
allow to dry
wax
mix glaze
dip once
let dry
touch up
wipe off waxed areas
put on correct shelf
clean

9. How many coats do you brush on of underglaze? 3
How many coats of clear glaze do you brush on? 3
How many times do you dip a pot with applying glaze? 1
What shelf does the clear glaze go on? Low Fire
What shelf do the other glazes go on? High Fire