Hommel Frit 490

Oxide	Analysis	Formula
Na2O	7.59%	0.30
CaO	14.66%	0.65
MgO	0.79%	0.05
Al2O3	4.31%	0.10
B2O3	16.21%	0.58
SiO2	43.59%	1.80
ZrO2	12.94%	0.26
Oxide Weight		248.15
Formula Weight		248.15

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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	7.5 x 10-6
Frit Melting Range (C)	1550F

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