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Ferro Frit 3270

Oxide Analysis Formula
CaO 8.50% 0.46
K2O 5.40% 0.17
Na2O 7.40% 0.36
B2O3 22.61% 0.99
Al2O3 8.30% 0.25
SiO2 47.79% 2.42
Oxide Weight 304.70
Formula Weight 304.70

Notes

This is a USA pottery frit, Ferro now calls it Frit 3270-2.
It has higher boron, lower alkali and much higher CaO than Frit 3269. The alkali is still significant enough to drive the thermal expansion fairly high.

Related Information

Links

Materials Frit
Materials Ferro Frit 3278
Materials Hommel Frit 378
Materials Frit
Materials Frit V-3
Materials Hommel Frit 378A
Materials Pemco Frit P-802
Typecodes Frit
URLs https://digitalfire.com/4sight/datasheets/ferropotteryfrits2008.pdf
Ferro Pottery Frits 2008

Data

Co-efficient of Linear Expansion8.79
Frit Melting Range (C)1500-1600F

By Tony Hansen


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