Porcelain, glazed inside and outside top diameter.
Glazed / Unglazed max. use temp. 1150° C.
Porcelain, With lip and flat porcelain handle, glazed inside and out except for rim and top of handle.
Made of 99.7% pure aluminum oxide. Highly resistant to alkalis and other fluxes. Highly refractory and inert in hydrogen and carbonaceous atmospheres.
Pipeclay stems on iron wire.