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£130
£130
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Delivered Online
Intermediate level
If you mix up your own glazes, whether just picking recipes from books and web sites or running your own R&D program, this course will help you by showing you what makes glazes leach, or not be food safe, or craze, and what you can do about it.
Much of the content of this course was in the previous version of the Product Safety course, but I have now taken it out into a separate course as many on the Product Safety course do not mix their own glazes. This also allows me to go into the glaze chemistry in a bit more depth.
Six weekly sessions, 19:00 – 20:30
Also recorded and put onto the course web page so you can view them at other times
The course begins with a quick recap of glaze chemistry and structure. It then looks at how glazes can be attacked in acidic (food) and alkaline (dishwasher) environments, and how you can make your glazes more stable. This includes using tools like Stull and limit formulae, as well as testing glazes in the studio and in the laboratory.
To consider the food safety of glazes, we look at which components may be toxic and at what levels, and combine this with our work on glaze stability. We also look at food safety legislation .
We also consider crazing, to determine in which circumstances it may or may not be acceptable, what causes it, and methods by which you can avoid it.
By the end of this course you should be able to:
Intermediate to advanced. Some basic knowledge of glaze chemistry and glaze formulation is required.
The course is primarily run through the weekly online sessions, which are a live lecture where you can also ask questions or get a discussion going. These are recorded and put on the course web page for those who cannot make the course times due to time zones or other commitments, or for those who want to replay them.
Additional material that you may wish to explore is on the course website. This will help you go deeper into the subject matter, should you wish to do so.
There will also be a discussion period towards the end of the course, where we can discuss any of the course material or any more general questions you may have. The date and time will be set up at the start of the course, so as many people as possible can participate even if unable to attend the live sessions.
In addition, the course has an online forum that you can use at any time.
There will be suggestions for you to test some of your pieces and glazes between sessions.
No advance preparation is needed.
You may want to test some of your work or test tiles (which will probably get damaged in the process).
This mostly uses standard studio and kitchen equipment, though the following are useful if available:
You may also want to have some glaze recipes that you can examine during the course.
£130
I have been making pots for over 12 years, starting with evening classes and now running my own studio.
I have an engineering and scientific background, which has driven me to learn and understand the technicalities of our craft. I am now taking this knowledge and disti...