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Title:
GLASS ABSORBING ULTRAVIOLET LIGHT AND INFRARED LIGHT
Document Type and Number:
Japanese Patent JPH10152342
Kind Code:
A
Abstract:

To obtain a ultraviolet light and infrared light-absorbing glass having a neutral gray color tone, especially high in ultraviolet light-absorbing ability and suitably used as window glass for vehicles such as automobiles, as window glass for buildings, etc.

This glass absorbing ultraviolet light and infrared light and having a neutral gray color tone comprises a basic glass composition comprising 65-80wt.% of SiO2, 0-5wt.% of B2O3, 0-5wt.% of Al2O3, 0-10wt.% of MgO, 5-15wt.% of CaO, 10-18wt.% of Na2O, 0-5wt.% of K2O, 5-15wt.% of MgO+CaO, and 10-20wt.% of Na2O+K2O, and a coloring component comprising 0.20-0.50wt.% (in terms of Fe2O3) of all iron oxides (T-Fe2O3), 0.45-2.0wt.% of CeO2, 0-1.4wt.% of TiO2, 0.0005-0.005wt.% of CoO, 0.0002-0.002wt.% of Se, 0-0.01wt.% of NiO, and 0-1.0wt.% (in terms of SnO) of all tin oxides, and FeO in an amount of 5-25wt.% (in terms of Fe2O3) based on T-Fe2O3.


Inventors:
SAKAGUCHI KOICHI
NAGASHIMA YASUKIMI
Application Number:
JP26721496A
Publication Date:
June 09, 1998
Filing Date:
October 08, 1996
Export Citation:
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Assignee:
NIPPON SHEET GLASS CO LTD
International Classes:
C03C3/089; C03C3/095; C03C4/02; C03C4/08; (IPC1-7): C03C4/08; C03C3/089; C03C4/02
Attorney, Agent or Firm:
Ono Seiichi (1 person outside)