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Ferro Frit 3457

Description: Leaded calcium boron free frit

Oxide Analysis Formula
CaO 6.91% 0.35
Na2O 0.65% 0.03
PbO 48.68% 0.62
Al2O3 19.02% 0.53
SiO2 24.74% 1.17
Oxide Weight 284.29
Formula Weight 284.29

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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 Hommel Frit 402
Materials Hommel Frit 555
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 7.6
Frit Melting Range (C) 1350F
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