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A comment on Wafer shortage improvement in sight for 300mm, but not 200mm. Parent comment

Re:Wafer shortage improvement in sight for 300mm, but not 200mm by sidewndr46 on Thursday May 19, 2022 @09:34PM (#31442369)
If the manufacturer or the customer applies a thick heavy undercoating I think it can make a big difference. It's robust enough to resist the abrasive nature of the salt, at least for a while.

The thing is I don't think manufacturer's like adding products like that as it messes with the fuel economy results. It's actually quite heavy, despite being just a "coating"

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Re:Wafer shortage improvement in sight for 300mm, but not 200mm by carlmr on Friday May 20, 2022 @03:04AM (#31444232)
>If the manufacturer or the customer applies a thick heavy undercoating I think it can make a big difference.

IIRC most manufacturers, at least in Europe, at some point started zinc galvanization, this prevents most rust from forming:

https://www.fj.co/blog/land-cruiser-chassis-galvanized/

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Re:Wafer shortage improvement in sight for 300mm, but not 200mm by sidewndr46 on Friday May 20, 2022 @08:28AM (#31446428)
The link you provided seems to be a niche company that specializes in reconditioning existing vehicles. Not a manufacturer of new vehicles.
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Re:Wafer shortage improvement in sight for 300mm, but not 200mm by carlmr on Friday May 20, 2022 @09:29AM (#31447084)
It had some cool pictures of the process, that's why I linked it.

In any case, most of what I find is in German. Like here it states that premium manufacturers started using zinc galvanization in the 80s: https://www.seat.de/service-zubehoer/technik-lexikon/k/karos....

It also says it protects from rust despite abrasion.

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