Alkali-free aluminoborosilicate glass and its use

Details Alkali-free aluminoborosilicate glass and its use Alkali-free aluminoborosilicate glass and its use

1997-04-29

1999-06-01

Speer, Timothy M.

Stock material or miscellaneous articles

Composite

Of quartz or glass

428 98, 501 66, 501 67, 349158, B32B 1700

Patent

active

059087030

ABSTRACT:
Described is an alkali-free aluminoborosilicate glass with a viscosity of 10.sup.13 dPas at a temperature of above 700.degree.0 C., a processing temperature V.sub.A of less than 1220.degree.0 C., and very good chemical stability, which can be produced in a float unit and has the following composition, in % by weight based on oxide:

REFERENCES:
patent: 3496401 (1970-02-01), Dumbaugh, Jr.
patent: 5489558 (1996-02-01), Moffatt et al.
patent: 5508237 (1996-04-01), Moffatt et al.
patent: 5736476 (1998-04-01), Watzke
Abstract of DE 2,058,210.
Abstract of DE 4,325,656.
Abstract of JP 2,133,334.
Dialog Service of CA 2,143,035.

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