Re: Polymer Sparc cases. Was "Re (2): Removing the video card from the ss 10."

Riccardo Mottola <[email protected]> Thu, 18 Sep 2025 11:11:15 +0200
Newsgroups gmane.os.netbsd.ports.sparc
Message-ID <[email protected]>
Hi,

Brett Lymn wrote:
> I don't think so, polycarbonate is unusual for this application.  If I had to guess
> I would say it is ABS (https://en.m.wikipedia.org/wiki/Acrylonitrile_butadiene_styrene).
> If you examine the inside of the lid you may be lucky enough to find the
> manufacturing markings.  If there is a recycle symbol then the number associated
> with that symbol will give you the material.  Otherwise they may have actually
> written what the material is.

Today my Ultra2 case brittled even more when I had it to open (and not 
at the glue point!). I had glued this one with Cyanacrilate.

The metal sheet now comes off since plastic rivets brittled too.

The case is marked PC-ABS

so Polycarbonate + Acrylonitrate Butadiene Styrene

ABS is a very high quality plastic and I have objects last long... so 
there must be a production issue for it to age this bad.

Riccardo