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General Frit GF-18

Alternate Names: Frit 18, Frit GF18

Description: Leaded calcium frit for cone 01-5 dinnerware glazes

Oxide Analysis Formula Tolerance
CaO 10.46% 0.57
K2O 2.73% 0.09
Na2O 1.99% 0.10
PbO 17.22% 0.24
B2O3 7.83% 0.35
Al2O3 6.23% 0.19
SiO2 53.53% 2.74
Oxide Weight 307.92
Formula Weight 307.92

Related Information

Links

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.
Materials Ferro Frit 3565
Materials Pemco Frit Pb-349
Materials Fusion Frit FL-4
Materials Ferro Frit 3509
Materials Hommel Frit 468
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.

Data

Co-efficient of Linear Expansion 6.30
Frit Softening Point 1950F

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