Glass Tips from Verrier

Description of the materials Cordierite refractory shelves are generally combined with mullite to achieve low expansion rates.  These ...

A question has been asked about using tiles in addition to standard kiln shelves to fire glass upon.  Yes, you can use the unglazed backs...

Many people report that they fire multiple times on kiln wash that has not been renewed.   Most add coats over existing kiln wash.   They on...

  Replacement Kiln Vent Plugs Accidents happen.   Sometimes the lightweight plug for the vent of a kiln gets dropped and broken.   You can...

  Credit ASTM   The nature of the cracks - and spider web describes it perfectly - shows an adhesion problem. It is not an annealing probl...

Pizza stone in use People frequently wonder if other materials than mullite can be used for kiln shelves.   Mullite is used for ...

Switch off the kiln before doing any maintenance. Before or after each use Vacuum the inside of the kiln. Use a low suction setti...

This post is not about the materials that go into the making of glass, but about ways of forming glass once melted or dripped into a spa...

There are at least three ways to remove kiln/ batt wash from mullite kiln shelves. One quick way is to use a broad wallpaper scraper hel...

When glass drops through a ring, you need to check on some things relating to the placement and firing. When thinking about the relat...