Novel glass compositions

Details Novel glass compositions Novel glass compositions

1971-12-03

1977-12-27

Lechert, Jr., Stephen J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 53, 252478, C03C 300

Patent

active

040653170

ABSTRACT:
Glass compositions of the SiO.sub.2 -ZrO.sub.2 -alkali metal oxide-alkaline earth oxide system containing 70-82 mole percent SiO.sub.2 and 2-8 mole percent ZrO.sub.2 and alkali metal oxides and alkaline earth oxides, and optionally Al.sub.2 O.sub.3, in specified amounts, such glasses being resistant to water, acids and alkalies, having a low to medium thermal coefficient of expansion and a low liquidus temperature.

REFERENCES:
patent: 3464932 (1969-09-01), Connelly et al.

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