Lead-free and cadmium-free frits

Details Lead-free and cadmium-free frits Lead-free and cadmium-free frits

1980-02-15

1981-08-04

Vertiz, O. R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 54, C03C 308, C03C 500

Patent

active

042820359

ABSTRACT:
The instant invention is directed to the production of essentially lead-free and cadmium-free frits which are eminently suitable for the production of decorative glazes and enamels to be used with glass, glass-ceramic, and ceramic articles. The frits exhibit good glass stability, demonstrate coefficient of thermal expansion (20.degree.-300.degree. C.) between about 52-65.times.10.sup.-7 /.degree.C., display excellent resistance to attack by acids and bases, and can be fired to fusion at temperatures between about 850.degree.-1100.degree. C. The compositions thereof consist essentially, expressed in weight percent on the oxide basis as calculated from the batch, of

REFERENCES:
patent: 3703390 (1972-11-01), Girard et al.
patent: 3904423 (1975-09-01), Guthrie
patent: 3932312 (1976-01-01), Kazmierowicz
patent: 4084976 (1978-04-01), Hinton
patent: 4120733 (1978-10-01), Knapp
patent: 4194807 (1980-03-01), Gliemeroth

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