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Ferro Frit 3403

Oxide Analysis Formula
CaO 0.10% 0.01
K2O 1.40% 0.05
Na2O 0.30% 0.01
PbO 67.80% 0.93
Al2O3 2.30% 0.07
SiO2 28.10% 1.44
Oxide Weight 307.46
Formula Weight 307.46


Cone Range: 08-02
This is basically a lead bisilicate frit with a few impurities.
Very low melting temperature.
Sub also: Glostex L71

Related Information


Materials Fusion Frit FL-42
Materials Hommel Frit 437
Materials Frit
Materials Ferro Frit 3602
Materials General Frit GF-9
Materials Pemco Frit Pb-723
Materials Lead Bisilicate Frit
Typecodes Frit
Typecodes Leaded Frit
Frits can contain 1% or 80% PbO so this category can be misleading, check the chemistry to find out.
Hazards Lead in Frits: The Hazards


Co-efficient of Linear Expansion7.2
Frit Melting Range (C)1350F

By Tony Hansen

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