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Hommel Frit 493

Description: Leaded calcium borosilicate frit

Oxide Analysis Formula
CaO 9.35% 0.67
K2O 1.03% 0.04
Na2O 0.29% 0.02
PbO 15.15% 0.27
B2O3 29.65% 1.70
Al2O3 5.00% 0.20
SiO2 39.53% 2.63
Oxide Weight 399.75
Formula Weight 399.75

Related Information

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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.
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 5.50
Frit Softening Point 1300F
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