"Davey" wrote in message
...
On Sat, 12 Mar 2016 23:44:03 -0000
"bm" wrote:

Old camper van window rubbers/seals, very hard, not cracking, yet.
Does silicone oil penetrate rubber and 'migrate' its plasticiser?
TIA



When I was restoring a Record Deck, I bought some rubber conditioner,
which worked well on the drive belt. It might also work for seals. I
can find the details if you wish.

2nd attempt -

Cheers Davey, any help much appreciated.