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Old 02 December 2014, 03:36   #1
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Resin & catalyst shelf life

Any ideas on shelf life of unmixed sealed resin & catalyst, kept in a frost free industrial unit and also open tins of the same?
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Old 02 December 2014, 04:48   #2
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talk to east coast resins they will tell you mate

regards jeff
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Old 02 December 2014, 06:09   #3
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Most resins come with a "use by date", but I reckon 6-12 months is about right. Old resin tends to seperate, so a good stir is needed, and really old stuff tends to have lumps in it.

It also depends on what your going to use it for. I certainly wouldn't build a boat with anything out of date, but I do use up old stuff on seat mouldings, trim panels etc. Anything that's not structural, or can be easily replaced.

MEKP (catalyst) goes off as well.

I've noticed recently that the kegs of gel coat I've been buying have a very short shelf life according to the labels, some times as little as 2 months.
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Old 02 December 2014, 06:29   #4
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Most resins come with a "use by date", but I reckon 6-12 months is about right..
That's f'ked then!
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Old 02 December 2014, 07:00   #5
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Quote:
Originally Posted by Dirk Diggler View Post
Most resins come with a "use by date", but I reckon 6-12 months is about right. Old resin tends to seperate, so a good stir is needed, and really old stuff tends to have lumps in it.

It also depends on what your going to use it for. I certainly wouldn't build a boat with anything out of date, but I do use up old stuff on seat mouldings, trim panels etc. Anything that's not structural, or can be easily replaced.

MEKP (catalyst) goes off as well.

I've noticed recently that the kegs of gel coat I've been buying have a very short shelf life according to the labels, some times as little as 2 months.
Thanks for that

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That's f'ked then!
It's for your Beda Bouncers! So it'll be fine
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Old 02 December 2014, 09:58   #6
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How old is your resin, and what you planning to do with it?
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Old 02 December 2014, 10:06   #7
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How old is your resin, and what you planning to do with it?
Just having a clear out of the flammable store, so no project I would think 18 months -2 years
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Old 02 December 2014, 10:18   #8
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Just having a clear out of the flammable store
Put a match to it.
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Old 02 December 2014, 11:41   #9
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Just having a clear out of the flammable store, so no project I would think 18 months -2 years
If it's in an unopened container, it may still be usable, but not for anything important, or repairs.
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Old 02 December 2014, 13:01   #10
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If it's in an unopened container, it may still be usable, but not for anything important, or repairs.
Blimey, lucky that he only bought 400ltrs.
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