Glass Tips from Verrier

Recently, there have been confirmations of multiple of layers of kiln wash on the shelf under pot melts, frit stretches, and flows.  Ten, an...

  Is there a best separator? Kilnforming separators Separators for kiln forming come in various forms. Chemicals, liquids, sprays, refra...

People seem to avoid kiln wash. Some reasons are: It is messy. It requires effort to renew .  It needs drying between coats. It needs dry...

Mullite kiln shelves credit: IPS Ceramics The most popular and easily available ceramic shelves are made from Mullite, Cordierite, and Cor...

  Moulds Kiln wash on ceramic moulds lasts a very long time. But sometimes you want to use a different separator. First you need to prepar...

Muriatic acid is a common name for hydrochloric acid.      Let’s look at what is being cleaned off first. The main components of kiln wash...

  "Was the shelf completely dry? I’ve had pieces practically crumble from a wet mold or shelf." There is a lot of speculation ab...

Causes and avoidance   Photo credit: Immerman Glass  In general, kiln wash for glass is made up of aluminium hydrate with kaolin (China ...

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