Colored low-expansion transparent glass ceramic

Details Colored low-expansion transparent glass ceramic Colored low-expansion transparent glass ceramic

1989-08-08

1991-04-23

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 7, 501 56, 501 69, C03C 1012, C03C 1014, C03C 311

Patent

active

050100416

ABSTRACT:
A colored low-expansion transparent glass ceramic comprising 100 parts by weight of a base glass (a) having the following composition, the following coloring components (b) and the following auxiliary coloring component (c) mixed thereto in the following ratio, and in that the principal crystalline phase is .beta.-quartz solid solution.

REFERENCES:
patent: 3970463 (1976-07-01), Planchock et al.
patent: 4285728 (1981-08-01), Babcock et al.
patent: 4526872 (1985-07-01), Andrieu et al.

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