Yesterday I was running a small amount of pvc pipe for another faucet. I was
using an older can of pipe cement(glue) and after getting abot 80% of the
job done, I for some reason looked at the bottom of the can. The use by date
is '06', but the glue seemed to be fine. I'm wondering now if I should get a
new can and start over and re-do what I've got done or if the glue will hold
just fine. Thanks.
As long as it was useable I think you'll find it will work just fine.
I've used it years old and when it got thick I thinned it with lacquer
thinner and all went well.. I think they put those dates on so people
will spend more money. You know the usual American, RIP OFF>
As long as the cement was still fluid (not gelled) it should work as good
as new. I recommend tossing the cement when it starts to gel, but I have
used partially gelled cement in a pinch without any noticeable issues.
Generally, the cement will keep a long time unless you open the can. Then
the air in the can lets it start gelling. That's why I prefer to buy
several smaller cans instead of a single large one. I can use the small can
for the occasional odd job, and use a new can the next time I need to do
something. The larger cans only make sense if you have a big project, like
plumbing a whole house, or if you do plumbing work frequently.
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