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Some Last Thoughts

The task of creating firings schedules has a reputation for being difficult and, if we are talking about creating firing schedules from scratch, the reputation is well deserved. »

Final Cooling

What it does: Cools your glass to room temperature. »

Annealing

What it does: Controls the rate of cooling to reduce permanent stress in the glass. »

Rapid Cooling

What it does: Cools your glass to just above the point at which stress can be created. »

Process Stage

What it does: Changes the glass to the desired state. »

Final Heating

What it does: Heats the kiln as fast as possible to get the glass to fusing temperatures. »

Bubble Squeeze

What it does: »

Initial Heating

What it does: Heats the glass from room temperature to about 900° F (482° C). »

Overview

With the exception of firing schedules for casting, which are outside the scope of this article, glass fusing schedules can be broken down into these seven phases*: »

Glass Firing Schedules

Glass Firing Schedules

Eventually, every glass fuser wants to create something with special firing requirements. For many, the obstacle of not knowing how to fire the work can be very frustrating. This tutorial teaches you to recognize and adapt when changes to your schedules are required. »

Finished Project and Tips

Finished Project and Tips

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Firing

Here is our firing schedule for our kiln-pressed glass: »

Setting Up the Weights

Coat your second shelf with shelf primer and place it (primer down) on top of your glass as shown: »

Setting Up the Glass

The setup for our project is includes a lot of clear glass and some strategically placed transparent colors.  One of the best parts about kiln-pressed glass is that transparent colors that often s »

Overcoming Surface Tension

The basic idea behind kiln-pressed glass is that we can defeat the surface tension and create thin glass by squeezing it from above using weights.  The basic setup looks like this: »

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