From this site:
The ALZAK® process is a surface treatment for the production of bright, reflective aluminum surfaces.
ALZAK® most benefits the following types of applications:
[FONT=Verdana, Arial, Helvetica, sans-serif]The outstanding functional and decorative characteristics obtained with the ALZAK process, have given it a prominent place as a useful and decorative finish.
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As it relates to stage lighting, until the SourceFour came along in 1992 with its dichroic glass reflector, every quality lighting fixture had an aluminum reflector finished with the Alzak® process.
This 1936 catalog page touts the process:
[FONT=Verdana, Arial, Helvetica, sans-serif]
[/FONT]
The ALZAK® process is a surface treatment for the production of bright, reflective aluminum surfaces.
ALZAK® most benefits the following types of applications:
[FONT=Verdana, Arial, Helvetica, sans-serif]The outstanding functional and decorative characteristics obtained with the ALZAK process, have given it a prominent place as a useful and decorative finish.
[/FONT]
As it relates to stage lighting, until the SourceFour came along in 1992 with its dichroic glass reflector, every quality lighting fixture had an aluminum reflector finished with the Alzak® process.
This 1936 catalog page touts the process:
[FONT=Verdana, Arial, Helvetica, sans-serif]
[/FONT]
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