Thick film having acid resistance

Details Thick film having acid resistance Thick film having acid resistance

1997-02-19

1998-08-11

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 14, 501 17, 501 21, 501 22, 501 23, 501 24, 501 25, 501 26, 501 76, 427 96, 427101, 427103, 428210, 428426, C03C 3074, C03C 812, C03C 816

Patent

active

057927162

ABSTRACT:
The present invention provides a new and improved thick film paste for use as an acid resistant overglaze. In one preferred embodiment such paste includes a glass composition comprising in weight percent from about 30% to about 60% PbO, from about 5% to about 20% ZnO, from about 2% to about 20% B.sub.2 O.sub.3, from about 4% to about 12% Al.sub.2 O.sub.3, from about 5% to about 18% SiO.sub.2, up to about 8% ZrO.sub.2, up to about 8% TiO.sub.2 and from about 9% to about 21% Nb.sub.2 O.sub.5.

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