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Pemco Frit Pb-461

Alternate Names: Frit Pb461

Oxide Analysis Formula
PbO 43.20% 1.00
B2O3 21.90% 1.63
SiO2 34.90% 3.00
Oxide Weight 516.67
Formula Weight 516.67


Added to glazes to prevent crazing, also used in low fire cone 012-06 glazes.

Related Information


Materials Pemco Frit P-941
Materials Frit
Materials General Frit GF-8
Materials Hommel Frit 1006
Typecodes Leaded Frit
Frits can contain 1% or 80% PbO so this category can be misleading, check the chemistry to find out.
Typecodes Frit


Co-efficient of Linear Expansion5.20
Co-efficient of Linear Expansion5.2 x 10-6 (50-450C)
Frit Softening Point1480F
Frit Melting Range (C)1460-1500F
I.F.P. (celsius)525C

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