Combine Fast and Slow Hardener? - SailNet Community
 
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post #1 of 3 Old 10-19-2008 Thread Starter
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Combine Fast and Slow Hardener?

I am using West System Epoxy and wondering something. Can I combine Fast and Slow hardeners. I used the Fast once and it was really fast compared to the slow. If mixing a batch of 2 pumps could I do 2 pumps of resin, 1 of fast and 1 of slow? It seems this should be fine when I want to speed up the hardening of the slow?

It seems like it should work since the ratios are the same.

You will regret the things you did not do, more than the things you did.

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post #2 of 3 Old 10-20-2008 Thread Starter
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Also sent query to West and got response below.

Yes, you have the right idea. Stir the combination together very thoroughly so the whole pot cures at the same rate. I personally pump one resin and then one hardener, one resin and one different hardener. When I have just finished a hardener stroke I know I am even. On small batches it is usually not a problem, larger batches gives more time to lose concentration.

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post #3 of 3 Old 10-20-2008
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As long as the ratio's are right you'll be fine.
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