Chemical resistant lead-free glass frit compositions

Chemically bondable foundry sand

Chemically bonded phosphate ceramics of trivalent oxides of...

Chemically bonded phospho-silicate ceramics

Chemically durable nitrogen containing phosphate glasses useful

Chemically durable phosphate opal glasses

Chemically durable porous glass and process for the manufacture

Chemically durable, high index, low density glasses

Chemically prestressable aluminosilicate glass and products made

Chemically resistant refractory fiber

Chemically stabilized cristobalite

Chemically strengthened glass article formed of float glass

Chemically toughened glasses

Chrome oxide refractory composition

Chrome-free brick

Chrome-free green privacy glass composition with improved...

Chrome-magnesite refractories and method of preparation

Chromia magnesia refractory

Chromia spray powders

Chromia spray powders and a process for making the same