G – coloured lead glazes
The glazes of the series “G” are highly reliable frit glazes, transparent up to opaque, containing 15-60% lead oxide.
G – transparent lead glazes
Lustrous colourless glazes with the lead content 10-60%.
Dw – white opaque stannic lead glazes
The glazes series “Dw” are reliable white frit glazes containing 10-50% lead oxide.
Pd – coloured leadless glazes
The glazes series “Pd” are coloured lustrous semi-opaque till opaque frit glazes, engrained by ceramic pigments and metal oxides. They do not contain lead, antimony, arsenic and other dangerous substances.
P – transparent leadless glazes
The glazes series “P” are transparent colourless lustrous frit glazes which do not contain lead oxide (except P 011 91 – 1% of PbO).
Pw – white opaque zirconium leadless glazes
The glazes series “Pw” are reliable white frit glazes which do not contain lead.
R, Rm – ceramic potter glazes
The glazes series “R” and “Rm” are raw or semi-raw (frit content 10-30%) high-melting glazes which do not contain lead, colourless or coloured, engrained by metal oxides or ceramic pigments.
Pm – coloured mat leadless glazes
The glazes series “Pm” are matt coloured frit opaque glazes which do not contain lead.
Gmu – matt artistic glazes
They are the opaque frit or semi-raw glazes with 40-70% lead content, designed for the decorative ceramics.
Gu, Lu – artistic special glazes
The glazes series “Gu” and “Lu” are coloured, lustrous till semi-matt, frit, semi-raw and raw decorative, intense appearance which lead contain 40-90%.
Gm – coloured matt lead glazes
The glazes series “Gm” are white and coloured frit, semi-raw and raw matt zinc glazes with lead content 20-50%.
O – “stove” glazes
This glazes are raw colorless, lustrous transparent highly leaded glazes containing lead, PbO 60-75% . This glazes are especially used for a hearth tiles, named in some countries “ stove “.
Ga – aventurine leadless glazes
The aventurine glazes are frit, alkaline, coloured opaque glazes which do not contain lead. They are designed for firing temperatures of 960-1080°C. At temperatures over 1000°C, they become flowed very hard.