Glass Tips from Verrier

After using Zyp/MR97, can I sand it off and use kiln wash? Some people are applying boron nitride to ceramic moulds for the ...

Hand pouring of slip into a mould Some ceramic moulds have small areas where the kiln wash does not seem to adhere as well as on the rest of...

(warning: lots of arithmetic) Knowing the specific gravity of a glass can be useful in calculating the required amount of glass needed, ...

There are several ways to determine the volume of a mould.  Calculation of the weight of glass needed Calculate the amount in the...

credit: Scarva   Material Rigidisers are colloidal solutions of silica or quartz with a carrier of some form.   It is also available as a ...

  The expansion characteristics of glass and ceramics components Many people advocate the elevation of moulds.   Mainly for air flow to eq...

  Photo Credit: Rachel Meadows-Ibrahim The main causes of the large thin bubble is most probably  too high a temperature combined with a lon...

 " Can anyone please tell me why this mould always comes out wonky and devitrifies and pulls in on the edges. I used Primo Primer; my k...

  An "It has always worked for me before" schedule implies a single approach to slumping regardless of differing conditions.  Layu...

  These moulds are available in stainless steel forms in various sizes You can create your own mould for self-supporting display items. ...

Does the size of the rim affect the amount of dog boning when slumping rectangular items? This question was prompted by previous testing o...

  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...