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Glaze pots . Gas Firing . Top half shelf.

The above  picture is rutile blue glaze mixture.

Only two pieces were able to fit on this shelf.

The large plate has transfer put on the inside, and clear glaze over the top.

Out Side Has Rutile Blue painted on with a Alumina Oxide sprayed on the out side.

The smaller plate had stains colours mixed with base glaze and painted in a circle on the plate inside. and Blue glaze on outside.

Trying some thing new.

Alumina, also called Aluminum oxide, is used to increase the viscosity of the glaze and give it stability on the pot ( to stop the glaze from running.)Allows the glaze to have a broader firing range.

It is used to stiffen the glaze and prevent it from running off. It also prevents crystallisation in the glazes, but in high quantities makes the glaze matt.

Alumina. The refractory .

Nearly all glazer contain alumina oxide, which acts as a stiffening agent, Without Alumina the glaze would simply slide off the surface of any vertical piece as it is applied.

Adding Alumina so the glaze can stick to the pottery surface.

I have a glaze called Duck Egg

I know it stop crackling on pot when Alumimum Oxide  is lightly  sprayed over the glaze.

My latest results.

Opening the kiln after firing.

The result were not good. Spraying my pottery in this firing with alumina Oxide did not work out.

I have to use the  aluminum oxide has to be a thinner liquid when sprayed.

The white oxide is still on the pots. who knows it could be because the kiln was not hot enough or to hot. The firing was to 1228, both cone 9 and 10 were down.

You learn from your mistakes.

After Firing Pottery.

Buy this piece of pottery.

Happy Potting.

Wendy’s Pottery Journey.

Have a great day.

Please leave me a comment.

Wendy.

 

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