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Indefinite Shelf Life of Materials and Products

N

Net Inquirer - 2010

#11
#11
Re: Indefinite Shelf Life

Duke Okes said:
First go back to the supplier and ask what they mean by indefinite, then what evidence they have for what a valid time might be. Looking the word up in the dictionary it sounds like "unknown."
Click to expand...
We can be certain of nothing, it doesn't necessarily follow that the indefinite does not have a shelflife.
 
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V

vanputten

#12
#12
Re: Indefinite Shelf Life

I see no problems with an idefinite shelf life.

If that is not acceptable, the I would assume all materials used for all organizations must have a numerical shelf life identified.

I agree with Randy. Indefinite is a definition of shelf life. I think we need to take an economical and reasonable approach to shelf life.

If my organiztion provides sand, do I have to have a shelf life for the sand?
 
jkuil

jkuil

Quite Involved in Discussions
#13
#13
Re: Indefinite Shelf Life

The shelf life can be defined as indefinite, if you have data to support that the material does not deteriorate over time. However can you provide me with a test that provide absolute evidence that the material will not deteriorate ever :. Even sand deteriorate if you look at attributes like particle size and roughness. Therefore you have to look for the justification by the supplier.
With two of the same materials with different shelf lives I can imagine that it will raise the auditors eye brows. It may be correct, based on the (amount of) data each supplier has collected and the assumptions made to support a shelf life. My guess is that based on the specification of the material, the auditor assumed the indefinite shelf life was incorrect. And based on Freddie’s additional posts he seems to be right, even though it is a incorrect way to write down his finding.
Expiry dates of materials used in your product are critical as the define your products shelf life. That is not an ISO jail, but a critical aspect in assuring product meeting its specifications during the shelf life you have put on your final product. I do not only have issues with how the supplier handles the shelf life determination of the component, but also with the purchasing controls and product design controls applied by Freddie’s company.
 
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