Let’s talk GLAZES

The best glaze advice I can give you is to find a good zinc free clear glaze to use.

GLOSSY GLAZES

I like the Amaco series HF9 Zinc-Free Clear. It is a glossy transparent glaze that produces attractive high fire glossy effects at mid-range, Cone 5-6 temperatures. You can buy this glaze at almost any pottery supply place.

WHY ZINC FREE?

Zinc can cause some pigments in slips and underglazes to shift in color, this clear glaze is formulated to prevent those color shifts.

MAKE YOUR OWN RECIPE

You might want a larger supply of glaze for dipping or pouring. Making your own is an economical way of doing this.

If you don’t want to make your own you can send your recipe to some clay suppliers, tell them how much of it you want and they will ship it to you … its as easy as just adding water to the mix. Here is the place I use.

http://www.risingsunpottery.com/

GLOSSY RECIPE

Here is a good Cone 5-6 zinc free clear glossy.

Cone 6  Zinc Free Clear

Wollastonite      20.0

Frit 3124           20.0

Kaolin               20.0

Silica                20.0

Custer Feldspar  20.0


SATIN MATTE FINISH

This is a gorgeous eggshell finish 

Cone 6    Eggshell matte glaze 

Wollastonite           26.2

Ferro Frit 3124       34.9

EPK Kaolin            34.0

Silica                      4.9

Mix to a skim milk consistency.

Apply thin. Fire to Cone 6


Non-glaze finish to leave a light sheen on NON-FUNCTIONAL wares.

This solution causes the surface of the clay to flux slightly so you get a very low, lustrous sheen. I do not recommend using this on food bearing surfaces. Just for pretty things!

1 part soda ash to 3 parts boiling water.

Make only enough for the current pots and DO NOT put the leftovers down your drains. I let mine dry out.

Use one thin brushed layer on your pieces. This will stick to kiln shelves just as a glaze would.

There is also nothing wrong with having no glaze on your forms.

I don’t glaze all of my work. Most of my pieces are not meant to be kitchen friendly so glazing is only one option. 

I wet sand the finished work without any glaze until the surface is smooth. Some potters also apply paste wax after sanding. I have not tried this myself, but many do this on decorative pieces.


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 © Chris Campbell 2019