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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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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.

I need to simulate 12yrs of outdoor weather exposure. Accelerated UV Testing For vehicles, these are standard: The dye manufacturers Clariant, US Specialty Color have tech bulletins for each dye with colorfastness ratings scale of for architechural use.

Accelerated UV Testing – Corrosion engineering – Eng-Tips

The material is tested before and after exposure to these conditions for flammability, mechanical impact and mechanical strength. Other dye supplier are familiar with Clariant dyes.

This is a SEO version of spec-data. Page 2 – spec-data This is a SEO version of spec-data.


It’s easy to join and it’s free. Vinyl must be removed prior to or immediately after installation. 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.

Click here to view full version. Red Flag This Post Please let us know here why this post is inappropriate. Vinyl film may remain on the coating during fabrication and erection. Type EM, weatherometer, hours, chalk rating of 8 or better.

If cleaning is desired, panels can be washed with mild soap and water followed by a clean water atm. Physical Properties of Fluoropolymer Coating: Can someone simply help me see the light on this subject or recommend a proper test specification that I should test to?

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 g223 ASTM D Test specimens, prepared in accordance with 4.

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A yeaar, non-prorated warranty covering color, fade, chalking and film integrity is available at no additional cost. Download Now White Paper: Accelerated UV Testing ‘Non-metallic’ isn’t a g233 it refers to the anodic coating, not the substrate. After anodizing, the racks of parts are transferred to a solution of metallic frequently tin salts.


See if they do any exposure testing and if so, what standards they use. For vehicles, these are standard: Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Defense manufacturing is all about project manufacturing and project accounting. By joining you are opting in to receive e-mail. There is a 20, lb kg minimum for non-standard widths and.

I’ve been running around in circles, and I hope someone here can help me out. Click Here to join Eng-Tips and talk with other members!

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Resources Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors. These asrm dyes are much more UV-resistant than the simple immersion metallo-organic dyes used by nearly all anodize jobshops. Register now while it’s still free!

Technical services are available from Petersen Aluminum Corporation and regional architectural representatives. Talk to a galvanizer.