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01 Jan 2013
01 Jan 2013
DeltaGuard Finish
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The finest industrial grade finish available with an industry-leading 10-year warranty. Our exclusive immersion process sends the product through six cleaning stages, eight pretreatment stages and an epoxy e-coat before the topcoat is applied. DeltaGuard® corrosion resistance is enhanced by the use of low copper aluminum alloys. Cree® specifies aluminum alloys such as A413, with a copper content restricted to .4% or less.

The ultra-durable powder topcoat is the last step to a truly outstanding finish that provides:

Resistance to ultraviolet light
Abrasion resistance
Corrosion resistance
Maximum adhesion
Colorfast protection
01 Jan 2013
DOE Gateway Reports
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IES BUG Ratings
Title Version Last Updated
13 Feb 2009
21 Jul 2011
All Cree outdoor products are International Dark-Sky Association (IDA) approved and are measured for performance using IESNA standards and guidelines including the IES BUG rating system that supersedes the former cut-off classification system.
01 Jan 2013
Evaluating Performance

The Illuminating Engineering Society of North America (IESNA) new Backlight, Uplight, Glare or BUG standard of measurement provides improved performance descriptions and measurement for LED luminaires. This TM-15 Luminaire Classification System (LCS) for Outdoor Luminaires classifies luminaire photometric performance related to light trespass, sky glow, and high angle brightness control.

For more information, purchase this document from the IESNA.
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Cree Edge™ Area, Cree Edge™ Round Area, CPY Canopy, Cree Edge™ Canopy, LEDway® Series, Cree Edge™ Parking, Cree Edge™ Security, SLM, 227 Series™ Recessed Canopy, VG Series Parking, XSP Area, XSP Wall Pack
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White Papers
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Abstract: As worldwide trade increases, a wide variety of aluminum castings and coatings have been introduced into the lighting industry. Often, inexpensive products have been installed with less than acceptable corrosion results. In response, some agencies/governments are trying to regulate the type of aluminum alloy that can be used. This type of alloy is generally extremely low in copper, and as such is much more resistant to corrosion than the more traditional alloys used. The low copper aluminum alloy standard most often referenced is the LM6 classification of the BS 1490 standard. Unfortunately, this type of alloy is often more expensive, more difficult to cast or machine, and may not provide the same structural strength (too ductile) as other available alloys. The premise of this paper is to show that it is not as advantageous to regulate the use of a specific alloy to control corrosion, as it is to regulate that the combination of alloy and coating meet specified corrosion test requirements. Therefore, this paper reviews the results of a 5,000 hour salt fog test performed on common die cast alloys that range in copper content, with various coatings applied. Based on this study, it is concluded that aluminum alloys with a higher copper content than what is permitted by LM6, can show a far superior corrosion resistance when the proper coatings are employed. These alloys also provide the greater structural integrity and tensile strength needed for many lighting applications.
Abstract: The aluminum castings used for BetaLED luminaires, in conjunction with the DeltaGuard™ coating system, have already been subjected to corrosion testing and reported on in a White Paper published May 2008. The results of that study showed that after 5,000 hours in a salt fog cabinet, the castings passed the corrosion test with a rating of 4, as per ASTM Standard 1694 D, procedure A. After the 2008 White Paper was published, BetaLED was questioned whether other parts of BetaLED luminaires exposed to the environment would provide as good of results as the castings did. In particular, the concern focused on the extruded aluminum heat sinks, and the patented NanoOptics™ used to refract light from each LED. The premise of this paper is to show that not only will the complete BetaLED fixture survive a 5,000 hour salt fog test; the light output will not be compromised. Based on this study, it is concluded that the extruded aluminum alloys met or exceeded the corrosion resistance of the castings, and the light output of the BetaLED fixture suffered no negative consequences after being exposed to 5,000 hours in a salt fog cabinet.
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02 Jan 2013
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