"Richard J Kinch" wrote in message
.. .
Charles Spitzer writes:

using oil-based things on rubber causes them to break down.

Nonsense. Plenty of rubber in contact with oil and gasoline in your
automobile.

It's not rubber. It's one of the synthetics that can tolerate petroleum
products. And the gaskets in a sprayer, which must expect some contact with
petroleum products, should not be rubber either. --- SJF