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> Fiberglass resin doesnt want to get hard...
Andyrew
post Jan 6 2006, 04:53 PM
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Workin my f/g flares.. Laying some fiberglass and the resin doesnt want set.

Instructions say it should set in 20 mins..

Its been 2 hours, and its still wet.

Some of it is hard, and some other stuff is hard as well, but most of it is pretty bad.

Any suggestions? Im going to let it sit over night and see what it does.

Andrew
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andys
post Jan 6 2006, 06:37 PM
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QUOTE (Andyrew @ Jan 6 2006, 03:31 PM)
Its about 70 where I was working.

I might have used to much resin (I wanted it to dry fast because I was working upside down.. gravity not friend)

I think the resin that I had went bad (or the hardner)

So I mixed another batch of resin correctly and went over the semi hard stuff with it.

I'll come back after work (at 1am (IMG:http://www.914world.com/bbs2/html/emoticons/dry.gif) ) and see if its hard. If its not, i'll strip it out.

No pics.. It will all be posted at once.

Andrew.

If you have a container of polyester resin of unknown age, always do a test sample in a cup first.

It's usually best to start with fresh materials because as you may (?) find, it's a lot of trouble to deal with the alternative.

Andys
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Posts in this topic
Andyrew   Fiberglass resin doesnt want to get hard...   Jan 6 2006, 04:53 PM
sj914   Did you mix the hardener/activator thoroughly? Tem...   Jan 6 2006, 04:57 PM
m.monge   did you put enough hardener in the resin. and if y...   Jan 6 2006, 04:59 PM
alpha434   Yeah. I guess climate control is REALLY important ...   Jan 6 2006, 05:05 PM
tdgray   My guess Andrew is that you either did not mix the...   Jan 6 2006, 05:08 PM
McMark   It's freezing, yo. Put it in the sun or in th...   Jan 6 2006, 05:16 PM
spare time toys   Heat lamps http://www.914world.com/...   Jan 6 2006, 05:17 PM
tdgray     Jan 6 2006, 05:18 PM
redshift   Bad mix. A test mix should get hot in 5 minutes. ...   Jan 6 2006, 05:22 PM
Andyrew   Its about 70 where I was working. I might have us...   Jan 6 2006, 05:31 PM
andys     Jan 6 2006, 06:37 PM
Pugbug   Resin has a limited shelf life...The cobalt in it ...   Jan 6 2006, 07:19 PM
dmenche914   Ditto on the comments about expired resin / harden...   Jan 6 2006, 09:22 PM
Pugbug   Another safety tip when using the hardener....Use ...   Jan 6 2006, 09:44 PM
kwales   Go to a boat supply store and bring an empty milk ...   Jan 6 2006, 10:40 PM
Pinepig     Jan 7 2006, 12:12 AM
Andyrew   All good advice everyone! The fiberglass was u...   Jan 7 2006, 03:38 AM
Dr. Roger   heat lamp 'till sunrise. if it aint dry by th...   Jan 7 2006, 04:07 AM
Andyrew   Oh yes, forgot to say, its dry and hard... Gave i...   Jan 7 2006, 04:09 AM
marks914   Remember that resin and hardener mixing is a chemi...   Jan 7 2006, 05:55 AM
URY914   If you use a colored hardner (tinted, not clear) i...   Jan 7 2006, 06:10 AM
9146986     Jan 7 2006, 10:02 AM
Mueller   http://www.914world.com/bbs...   Jan 7 2006, 11:26 AM
dan10101     Jan 7 2006, 11:31 AM
dan10101   Thanks to everyone for the advice, It's been ...   Jan 7 2006, 11:36 AM


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