Hansen 20x5
Tony Hansen 20x5 is a classic cone 6 glaze.
Tony Hansen will tell you all about this glaze on his website DigitalFire.com
Here is a link to UMF info and charts on Glazy.com

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% Hansen 20x5
20 Custer Feldspar
20 Frit 3134
20 Silica
20 Wollastonite
20 EPK
Mixed to Specific Gravity of 1.45
Floccing not necessary
No Colorants