Green thermo-absorbent glass

Details Green thermo-absorbent glass Green thermo-absorbent glass

1998-09-28

2000-02-29

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501905, C03C 3087

Patent

active

060309113

ABSTRACT:
A Green thermo-absorbent glass which includes a basic composition of lime glass, which consists essentially, by weight, of: 0.86 to 0.91% of total iron expressed as Fe.sub.2 O.sub.3 ; 23.5 to 26% of Fe.sup.-2 and 0.202 to 0.237% of FeO, expressed as Fe.sub.2 O.sub.3 ; a critical amount of 0.15 to 0.18% of SO.sub.3 which does not affects the refining properties and ability of the SO.sub.3 to eliminate bubbles, and in the absence of CeO.sub.2 ; the green glass having a visible light transmission greater than 70%, an ultra-violet radiation transmission greater than 38% and less than 40%, an infra-red radiation transmission greater than 21% and less than 26.5%. and a total solar transmission greater than 41 and less than 47%, without affecting the refining properties and ability of the SO.sub.3 to eliminate bubbles.

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