GLASE FOR BRICKS Russian patent published in 2010 - IPC C04B41/86 

FIELD: chemistry.

SUBSTANCE: invention relates to the industry of construction materials and glase compositions. The glase for bricks contains low-melting clay, chalk, lead oxide, pyrolusite, metallurgical slag, crushed glass and tripoli powder with the following ratio of components in pts. wt: low-melting clay - 60-70; chalk - 10-15; lead oxide - 40-50; pyrolusite - 6-10; metallurgical slag - 10-30; crushed glass - 10-15; tripoli powder - 30-35.

EFFECT: increased adhesion strength of the glase.

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