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Andrew[_22_] Andrew[_22_] is offline
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Default Does old PVA glue go off?

On 21/03/2018 14:15, Dave Plowman (News) wrote:
In article ,
Adrian Caspersz wrote:
I've just recreated the classic chandelier drop scene in 'Only fools and
horses' (whoops), and now have a wooden chandelier light fitting
assembled with clamps, rubber bands and many squirts of PVA glue.


The glue bottle is a couple of years old, but still contains sloppy
liquid. Does it decline in assembled holding strength with age?


Think it would go hard first. You did mix it well?


I had a 1 litre tub, like a yougurt pot under the sink
for a few years and when I came to use it, it had
developed a nice thick layer of blackish mould.

However, it came off in more or less one big dollop,
a bit like the crust on clotted cream and the rest of
it seemed to work just fine. Smelt no different to the
new stuff.

PVA really needs to be applied to nice clean wood surfaces
and clamped. If you are repairing a broken, previously
glued joint, you might be better off using something like
Gorilla glue.