G23 – 90 Standard Practice for Operating Light-Exposure Apparatus (Carbon-Arc Type) With and Without Water for Exposure of Nonmetalic Materials. ASTM CA, Type I are minimum Parex Molded Expanded Polystyrene ASTM C C ASTM .. ASTM G23 – ACCELERATED WEATHERING TEST . Document Name: ASTM G Standard Practice for Operating Light CFR Section( s): Standards Body: Exposure Apparatus (Carbon Arc Type) With and Without.

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MIL-AF has the following on light fastness tests: An electrolytic process is then used to change the oxidation states of cation which have entered the anodize pores. Technical services are available from Petersen Aluminum Corporation and regional architectural representatives. Can someone simply help me see the light on this subject or recommend a proper test specification that I should test to? Are you an Engineering professional?

See if they do any exposure testing and if so, what standards they use. After exposure, specimens shall be compared with duplicate specimens not exposed to a light source for the same period of time to determine the Delta E value in accordance with ASTM D Accelerated UV Testing I saw that as well Hg, but I’m not sure if the anodizing process would be considered a related coating to paint.

Page 2 – spec-data This is a SEO version of spec-data. A strippable vinyl film can be applied for protection during fabrication and installation is desired. Architechural aluminum is usually dyed by the ‘two-step’ process. Maintenance is not required. A yeaar, non-prorated warranty covering color, fade, chalking and film integrity is available at no additional cost.


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There is a 20, lb kg minimum for non-standard widths and. By joining you are opting in to receive e-mail. Contact the manufacturer for specific costs. The Delta E value shall be used to determine conformance with 3.

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The dye manufacturers Clariant, US Specialty Color have tech bulletins for each dye with colorfastness ratings scale of for architechural use. Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors. Close this window and log in. I need to identify some form of accelerated UV testing ashm determine if our process will perform equal to their architectural process.

Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Promoting, selling, recruiting, coursework and thesis posting is forbidden. Vinyl film may remain on the coating during fabrication and erection.

Special finishes require additional time for color matching and approvals. Resources Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors. These inorganic dyes are much more UV-resistant than the simple immersion metallo-organic dyes used by nearly all anodize jobshops. Type EM, weatherometer, hours, chalk rating of 8 or better.

The manufacturer is responsible for technical accuracy. I’ve been running around in circles, and I hope someone here can help me out. Accelerated UV Testing For vehicles, these are standard: The Eng-Tips staff will check this out and take appropriate action.


Accelerated UV Testing – Corrosion engineering – Eng-Tips

y23 Register now while it’s still free! Accelerated UV Testing Talk to a galvanizer. The warranty is issued on a per project basis upon request.

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My company acquired a product line from a company we purchased, and they have specified an architectural anodize process AA-MCA34, Class II, Black for components that are used in the transit industry. Download Now Defense manufacturing is all about project manufacturing and project accounting.

Delivery time and price will be quoted upon inquiry. This is a SEO version of spec-data. Download Now White Paper: Click Here to join Eng-Tips and talk with other members!

Physical Properties of Fluoropolymer Coating: Talk to a galvanizer. Proper g32 radii must be used in fabrication.

Class 2, dyed anodic coatings, shall show no more fading or discoloration than would be equivalent to a Delta E value of 3 when subjected to the light fastness resistance test see 4. Accelerated UV Testing ‘Non-metallic’ isn’t a problem; it refers to the anodic coating, not the substrate. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. It’s easy to join and it’s free. Red Flag This Post Please let us know here why this post is inappropriate.