On the day of Tue, 14 Mar 2006 16:25:30 GMT...
Gunner
typed these letters:

Not true. Much of the degredation comes from compressor oil inside,
and heat. UV may also be responsible..but not inside shops with it
run over head. Ive had 3/4" pvc simply break in my hand like a grahm
cracker.


I've seen outdoor grade "Sunlight Resistant" PVC crumble like a graham
cracker after less than 10 years exposure to the outdoors. It was
used as conduit from the ground to an electrical box.

Devonshire