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-----Requirements for Light Fast Testing per MIL-A-8625F
I work for a finishing shop in Upstate NY and I am working to make sure we are doing all the required testing for our different processes that we are certifying to. In MIL-A-8625 / MIL-PRF-8625
[⇦ this spec on DLA] it has light fast testing in the process control 4.3.3.1. However, 3.7.1.3 states that light fastness is required only when specified in the contract or purchase order. We have never had a purchase order or drawing require light fastness in my 4 years of doing this job.
So my question is, do I have to pay for monthly light fastness testing or only when required by the customer?
plating shop engineer - Elmira, New York, USA
August 30, 2011
September 1, 2011
Basically, yes.
I would run scrap parts with that dye and then test it so that you are confident that it will pass.
There is no use in testing until you have a contract that calls for it, as anodize thickness and color will normally be slightly different from customer to customer.
If you have not seen it in 4 years, there is not much probability that you will ever see it.
- Navarre, Florida
Thank you for the response. Until we get a contract requiring the light fastness, I will not include it in our production control testing.
Robert Winkky- Elmira, New York, USA
September 7, 2011
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