Continuous glass fiber with improved thermal resistance

Details Continuous glass fiber with improved thermal resistance Continuous glass fiber with improved thermal resistance

2002-12-04

2008-09-23

Lorengo, Jerry (Department: 1793)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S035000, C501S070000

Reexamination Certificate

active

07427576

ABSTRACT:
The invention relates to a glass fiber, especially a continuous glass fiber, exhibiting improved thermal behavior. According to the invention, the glass fiber consists of SiO256.0 62.0%, Al2O311.0-15.0%, CaO 20.0-24.5%, TiO22.0 3.2%, MgO 0.2 0.4%, Na2O 0.05 0.2%, K2O 0 0.25%, Fe2O30.11 0.3%, SO30.01 0.05%. The retraction value of the fiber is less than 20% at 800° C. and/or less than 80% at 850°. The inventive fiber is produced according to a method wherein the difference between the glass melt liquidus temperature and the fiber formation temperature is the same as or great than 95° C. The fiber can be used as filling material in sound absorbers for waste gases, in the production of shaped bodies and in the production of nets, fabrics or knitted fabrics.

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