BAL ready mix adhesive shelf life?

Tim Watts

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May 16, 2010, 4:48:01 PM5/16/10

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Hi,

I have some fairly full tubs of BAL Greenstar with a manufacturing date
of March 2009.

The data sheet says shelf life 12 months under normal conditions.

Anyone reckon it would be unwise to use it over the next month or so?
It's been kept indoors, frost free.

Cheers

Tim
--
Tim Watts

Hung parliament? Rather have a hanged parliament.

Rick Hughes

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May 17, 2010, 6:08:18 PM5/17/10

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"Tim Watts" <t...@dionic.net> wrote in message
news:hsplm3$9vq$1...@news.eternal-september.org...

Is this BAL powder or paste ? .......... if powder, as long as it has been
kept dry it should be no problem.
If a paste as long as still soft go ahead and use it

Tim Watts

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May 17, 2010, 6:28:45 PM5/17/10

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Hi Rick,

Ready mixed paste. OK - simple as that? Good - it's fine then :) Did
wondered if the magic voodoo fairy comes along later and makes your
tiles fall off if you use it one day after the date!!

I wonder why they have these odd shelf lives that always seem to be
convenient periods like "12 months". I'm using PU wood glue that getting
on for 15 months into its 12 month lifespan and it's fine too.

Andrew Gabriel

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May 18, 2010, 5:55:15 AM5/18/10

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In article <hssfut$1he$1...@news.eternal-september.org>,

With the powder (cement based), the cement slowly sets my itself,
so the longer you keep it, the less proportion of active cement
there is left in the mixture (and it might be very unevenly
distributed in the bag). The bonding agent (glue part) should
still work, but I would guess the adhesive is not as strong, and
in particular, not as resistant to water (cement makes various
bonding agents waterproof which otherwise aren't).

No idea about ready mixed - never used it myself and I don't know
how it works.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]

Dave Osborne

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May 18, 2010, 10:07:31 AM5/18/10

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I think for most products (with the obvious exception of plaster and
Portland cement)the shelf life is just a guide and probably somewhat
arbitrary. On balance, it's probably actually used more for stock
rotation than by end-users.

http://wiki.answers.com/Q/Does_medicine_that%27s_passed_it_expiration_date_still_work

stuart noble

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May 18, 2010, 11:49:06 AM5/18/10

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Lasts almost indefinitely if you slap a bin liner on top of the adhesive
and shut the lid properly, the latter being easier if you haven't got
gunk all over the top edge of the tub

Pamela

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May 18, 2010, 2:14:18 AM5/18/10

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