by a ball mill using alumina made pot to turn out the glaze powders 0066 table 2 main element glaze powder a 11 12 13 14 15 16 17 18 19 20 sio 2 36 3 35 6 34 6 35 5 33 3 36 1 37 3 38 0 41 8 39 8 al 2 o 3 2 1 2 5 2 5 2 1 2 0 2 1 2 4 1 5 2 2 2 2 b 2 o 3 28 2 26 6 27 2 26 6 28 7 29 3 27 6 29 9 29 2 27 6 na 2 o 1 0 1 1 0 8 1 4 0 3 0 9 1 2 1 0 0 6 0 6 k 2 o 4 7 4 4 6 4 5 2 5 1 4 8 4 7 4 1 3 5 3 3 li 2 o 2 1 2 3 2 5 2 6 1 7 2 0 2 4 0 4 1 8 1 1 bao 4 7 5 6 5 7 3 1 4 5 4 1 4 9 4 6 2 7 5 0 sro zno 14 7 19 4 12 9 18 5 17 3 15 2 12 7 15 7 11 2 13 8 moo 3 1 0 1 3 1 5 1 1 1 3 1 1 1 2 1 2 1 2 1 1 fe 2 o 3 0 5 cao 4 4 2 2 4 5 3 3 4 1 3 0 4 7 4 4 zro 2 1 0 1 3 1 5 1 1 1 3 1 2 0 6 1 2 1 1 tio 2 0 5 1 1 mgo 3 6 total 100 100 100 100 100 100 100 100.