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Pemco Frit P-688

Alternate Names: Frit 688, Frit P688

Description: LEADLESS FRIT

Oxide Analysis Formula Tolerance
BaO 10.60% 0.11
CaO 15.80% 0.45
K2O 3.00% 0.05
MgO 4.30% 0.17
Na2O 1.60% 0.04
ZnO 8.70% 0.17
Al2O3 7.00% 0.11
SiO2 49.00% 1.31
Oxide Weight 160.77
Formula Weight 160.77

Notes

Used for partially-fritted, cone 9-12 opaque sanitaryware glazes.

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.
Materials General Frit GF-108
Materials Hommel Frit 28F198
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 8.0 x 10-6 (50-450C)
Frit Melting Range (C) 1550-2100F
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