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General Frit GF-9

Alternate Names: Frit 9, Frit GF9

Description: High Lead Zincless Glaze Frit

Oxide Analysis Formula
K2O 1.54% 0.05
Na2O 0.40% 0.02
PbO 67.70% 0.93
Al2O3 2.33% 0.07
SiO2 28.03% 1.43
Oxide Weight 306.64
Formula Weight 306.64


Cone Range: 08-02
Very low melting temperature.

Related Information


Materials Pemco Frit Pb-723
Materials Ferro Frit 3403
Materials Frit
Frits are made by melting mixes of raw materials, quenching the melt in water, grinding the pebbles into a powder. Frits have chemistries raw materials cannot.
Typecodes Leaded Frit
Frits can contain 1% or 80% PbO so this category can be misleading, check the chemistry to find out.
Typecodes Frit
A frit is the powdered form a man-made glass. Frits are premelted, then ground to a glass. They have tightly controlled chemistries, they are available for glazes of all types.


Co-efficient of Linear Expansion 7.20
Frit Softening Point 1350F
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