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Pemco Frit P-1J81

Alternate Names: P1J81,1J-81

Description: Semi-opaque all-fritted glaze for cone 02-4

Oxide Analysis Formula
CaO 5.10% 0.23
K2O 8.60% 0.24
MgO 0.60% 0.04
Na2O 4.50% 0.19
ZnO 9.60% 0.30
ZrO2 3.20% 0.07
B2O3 4.80% 0.18
Al2O3 13.40% 0.34
SiO2 50.30% 2.16
Oxide Weight 258.25
Formula Weight 258.25

Notes

Add 10% clay.
Generally used with additional zirconium silicate opacifier. This glaze has excellent gloss and smoothness at Cone 02 through Cone 1.

Related Information

Links

Materials Pemco Frit P-991
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 Pemco Frit P-3E12
Materials Ferro Frit 3820
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 8.40
Co-efficient of Linear Expansion 8.40 (50-450C)
Frit Softening Point 1620F
Frit Melting Range (C) 1580-1680F
Co-efficient of Linear Expansion 8.4x10-6 (50-450C)
I.F.P. (celsius) 610C
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