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Hommel Frit 642

Description: Leadless alkali zinc flourine borosilicate frit

Oxide Analysis Formula Tolerance
CaO 3.22% 0.16
K2O 1.87% 0.06
Na2O 14.99% 0.67
ZnO 3.35% 0.11
B2O3 11.59% 0.46
Al2O3 3.63% 0.10
SiO2 53.05% 2.45
F 8.30% 1.21
Oxide Weight 277.64
Formula Weight 277.64

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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 Ferro Frit CC-270
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 8.50
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