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      The future of the JD Forum   07/31/18

      Thank you all for your participation on the JD Forums.  We have enjoyed answering your questions, providing project advice and technical assistance on this forum for a number of years. We believe that there are now better ways to provide this service for our customers and the community. With that in mind, we have made the difficult decision to discontinue the Jamestown Distributors Forum.   Our JD Tech Team is committed to being your trusted technical resource, and we encourage you to reach out via email, phone, social, product reviews, and to post questions using the Q & A 'Ask A Question' function on all product pages. Additional information can also be found on product page Technical Data Sheets (including detailed usage instructions and application data).   Thank You Jamestown Distributors 
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Tillersweep

5:1 compared to 2:1

4 posts in this topic

I have some vacuum bagging to do and the description says I should use a 2:1 kit.  Fine.  I will but why?  

What is the 5:1 better for (anything?)  It seems more prone to amine blush.  It is more brittle.  

 

Thanks.  

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The 2:1 is a slightly lower viscosity and supposed to be blush-free.  The 5:1 does and will perform well in vacuum bagging applications, it is slightly stronger than 2:1 but not by much.  In vacuum bagging, if you use peel ply it will remove any possible blush when it is removed and in the bagging process the atmosphere is really limited which will reduce any blush.  So the bottom line is you can use 2:1 or 5:1 resin, both will work.  If you are doing a large layup, the 2:1 will flow a little better.

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totalboat 2:1 is NOT blush free. Don't be fooled by what they put on the lable. Don't think you can trust their clames! For about the same price you should use west systems epoxy. they've been around longer and they don't scam their customers.

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