Gerstley Borate 62
EPK 25
Silica 13
*tested on a red earthenware & Mudmobile slips, applied to greenware and single fired to cone 04.
Gerstley Borate 62
EPK 25
Silica 13
*tested on a red earthenware & Mudmobile slips, applied to greenware and single fired to cone 04.