26 Sep
2008
26 Sep
'08
1:12 p.m.
On 26 Sep 2008 at 11:57, Ian King wrote:
They identified it as "40ppi (pores per [square]
inch) reticulated
foam." They were also kind enough to sell me several square feet of
it. They warned me that yes, it will still fall apart after a couple
of decades, but for now it looks sooo nice. The machines I'm restoring
have good paint, so with the new foam in place they look like they just
left Maynard. It's funny how the little touches make such a
difference.
For filters using this stuff, I picked up an aluminum filter used in
air-conditioning and cut it to size. It's washable and should pretty
much last forever. I've seen the same stuff used in kitchen hood and
downdraft filters.
BTW, they also found adhesive-backed foam that is an
exact match for
the stuff DEC used on the cardcage cover panels.
For gear with the adhesive-backed stuff used as sound-deadening
material that turned to goo, I replaced it with heavy adhesive-backed
felt. At least if it degrades, it'll be because of moths and not
ozone.
Cheers,
Chuck