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Old 10-25-2014, 09:52 AM   #11
clynad

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Default Re: Wanted: Polyester Infusion Resin

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Originally Posted by cacomposites View Post
I see. What advantage does polyester resins have over epoxy resin?


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Polyester is much cheaper

Keep in mind that low viscosity epoxy resins for infusion is a special order at most local outlets.

I personally have a great deal of respect (and envy) for anyone who can afford and justify a drum or two of top shelf infusion epoxy but I'm not there "yet".

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Old 10-25-2014, 10:47 AM   #12
clynad

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Default Re: Wanted: Polyester Infusion Resin

It much cheaper
I have a lot of respect for vinylester and epoxy resins depending on your application they "can" produce a part ill which is more expensive but also:
(A) lighter but just as strong
(B) stronger for same wieght
(C) lighter and stonger


While all of that is great how much more is my customer willing to pay for those advantages is the real issue. The desire to switch to infusion for me is rooted in health concerns but at the end of the day whoever buys a part is going to foot the bill.
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Old 10-27-2014, 06:20 AM   #13
sammymatik

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Have you searched for vinylester infusion resins. I know those exist, not sure about polyesters though.
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Old 10-27-2014, 07:05 AM   #14
clynad

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Vinyl ester is what my supplier is checking on for me right now, polyesters do exist so far all of the ones I have come across say 'non structural'. I mentioned those epoxies for mg4tim as they may be useful for his hoods. A decent infusion grade vinyl estser will satisfy me just fine, simply want it locally.
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