CAO Chune, SHEN Huarong, XIONG Chunhua, ZHENG Naizhang
（Jingdezhen Ceramic Insitute）
Abstract: Serial colour－glazes were tested in that the colouring materials are common metal－oxidesthe basic glaze are leadfree cadmium－freezinc－free and low－magnesium frit－glazes．Those glazes are brightly colouringhigh gloss and high hardness when fried1050～1100℃．And those glaze are sutable to be used on earthware and stoneware bodies．
Key words: colour－glazelead－freecadonium－freezinc－freelow－magnesium