Enamel frit composition for a low-expansion crystallized glass a

Details Enamel frit composition for a low-expansion crystallized glass a Enamel frit composition for a low-expansion crystallized glass a

1996-11-26

1997-11-25

Marcheschi, Micheal

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 21, 501 25, 501 32, 501 59, 501 66, 501 69, 501 63, 501 72, 501 71, 501 4, 428427, 428428, 428426, 428699, 428701, C03C 800, C03C 806, C03C 814

Patent

active

056912544

ABSTRACT:
In order to provide an enamel frit composition for a low-expansion crystallized glass, capable of producing an enamel coating excellent in abrasion resistance and acid resistance without occurrence of cracks by using glass powder which does not contain any harmful component such as PbO, and to provide an enamel-coated low-expansion crystallized glass plate using the enamel frit composition, the enamel frit composition for a low-expansion crystallized glass essentially consists 40-98 wt % glass powder, 1-55 wt % coloring pigment, and 0-54 wt % filler. The glass powder consists, by weight, of 55-72% SiO.sub.2, 4-8% Al.sub.2 O.sub.3, 14-22% B.sub.2 O.sub.3, 2-4% BaO, 5.1-15% Na.sub.2 O, 0-2% Li.sub.2 O, 0-2.8% K.sub.2 O, and 0-2% F.sub.2.

REFERENCES:
patent: 4377404 (1983-03-01), Hoshikawa
patent: 4835121 (1989-05-01), Shibuya et al.
patent: 5091345 (1992-02-01), Becker
patent: 5262363 (1993-11-01), Yoshida et al.
patent: 5308803 (1994-05-01), Clifford et al.
patent: 5326728 (1994-07-01), Boury et al.
patent: 5393714 (1995-02-01), Thometzek et al.

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