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Lead Sesquisilicate Frit

Alternate Names: 2PbO.3SiO2

Oxide Analysis Formula
PbO 71.23% 1.00
SiO2 28.77% 1.50
Oxide Weight 313.35
Formula Weight 313.35

Notes

This term refers to frits having 1 molar part of lead and 1.5 of silica.
Melts at a slightly lower temperature than lead bisilicate frits which are 1 part lead to 2 of silica.

Related Information

Links

Materials Lead Bisilicate Frit
Typecodes Flux Source
Materials that source Na2O, K2O, Li2O, CaO, MgO and other fluxes but are not feldspars or frits. Remember that materials can be flux sources but also perform many other roles. For example, talc is a flux in high temperature glazes, but a matting agent in low temperatures ones. It can also be a flux, a filler and an expansion increaser in bodies.
Typecodes Frit

Data

Frit Softening Point860-1040C M

By Tony Hansen


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