Degussa Frit 90378

Oxide	Analysis	Formula
ZnO	1.09%	0.05
Na2O	6.64%	0.40
CaO	8.26%	0.55
Al2O3	8.19%	0.30
SiO2	62.77%	3.90
B2O3	13.05%	0.70
Oxide Weight		373.52
Formula Weight		373.52

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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	60 x 10-7 (20-400C)
Heating Microscope Analysis for Frits	570C
Heating Microscope Analysis for Frits	785C
Heating Microscope Analysis for Frits	980C

By Tony Hansen
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