Soda-lime grey glass

Stock material or miscellaneous articles – Composite – Of quartz or glass

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428220, 428426, 428701, 428702, 501 68, 501 69, 501 70, 501 71, 296218, B32B 1706

Patent

active

057284717

ABSTRACT:
Grey soda-lime glass is composed of main glass-forming constituents together with iron, selenium, cobalt and chromium as colouring agents in the following quantities:

REFERENCES:
patent: 4104076 (1978-08-01), Pons
patent: 5023210 (1991-06-01), Krumwiede et al.
patent: 5352640 (1994-10-01), Combes
patent: 5393593 (1995-02-01), Gulotta
"Colorimetry" Official Recommendations of the International Commission on Illumination. May, 1970, pp. 7-26.
DIN 67 507, Licthtransmissionsgrade, Strahlungstransmissionsgrade und Gesamtenergiedurchlassgrade von Verglasungen, Jun. 1980, pp. 1-8.

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