I don't know. Don't really care.
Obvious answer - read the label.
If that doesn't tell you, call the manufacturer's 1-800s number,
also on the label.
Well, here's a not-so-obvious fact: I don't *have* the label; this stuff
was transferred to a different can some time ago when the original got
I had hoped it would be a quick, easy question for most anyone on this NG.
If you don't care, why the hell bother replying?