Glaze compositions

Details Glaze compositions Glaze compositions

1992-04-16

1994-04-19

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 14, 501 24, 501 26, 501 63, 501 66, 501 67, C03C 800, C03C 802, C03C 804, C03C 808

Patent

active

053045165

ABSTRACT:
Glaze composition comprises 45 to 75% of SioO.sub.2, 0.1 to below 5% of Bi.sub.2 O.sub.3, 0.1 to 20% of Al.sub.2 O.sub.3 to 20% of B.sub.2 O.sub.3, at least one of CaO, MgO, SrO, BaO or Zno in an amount of 2 to 22%, at least one of Li.sub.2 O, Na.sub.2 O, K.sub.2 O in an amount of 1 to 10%, at least one of La.sub.2 O.sub.3, MoO.sub.3 or WO.sub.3 in an amount of 0.1 to 10% and certain other optional ingredients, all percentages being percentages by weight based on the total weight of the glaze composition, the glaze composition having a firing temperature of 950.degree. to 1250.degree. C., and having a coefficient of thermal expansion of 50 to 100.times.10.sup.-7 /.degree.C.

REFERENCES:
patent: 556727 (1896-03-01), Bagnall
patent: 4590171 (1986-05-01), Nagrin
patent: 5091345 (1992-02-01), Becker
patent: 5200369 (1993-04-01), Clifford
Chemical Abstracts, vol. 114, No. 8, Apr. 8, 1991 (JP 2-208236).

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