Silver film vs. White paint

• To: <Aquatic-Plants at actwin_com>
• Subject: Silver film vs. White paint
• From: james at home_xo.com (James F. Redfern)
• Date: Wed, 19 Feb 1997 22:30:16 -0800
• Cc: <james at home_xo.com>

>You might find that just using a white material will work as well as a
>metallic one.   White paint gives virtually the same amount (%) of
>reflectivity as a mirror.  
>
>Pete Mohan


Reflectors     Approximate Light Level

White paint (old)   100%

White paint (new)   105-120%

Anodized aluminum   110-140%

Silver film   120-150%

Enhanced aluminum   120-150%


40W CW
All ballast factors are 0.94.
Optical system or reflector modifications may change illumination uniformity.
Source for table: Advanced Lighting Guidelines and manufacturer test data.

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