Fast curing resin for skinning.


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Interloper393
Interloper393
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Hi guys iv been using the xcr resin and fast harder. ,  as I'm only skinning parts is there a faster setting resin I can use. ?  I still want the crystal clear of the xcr but with like a 30min cure time.between coats. 

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Warren (Staff)
Warren (Staff)
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I am not aware of any quicker resins that retain the same clarity and ease of sanding.  The fastest resin we do is our Rapid Repair which cures in 2 hours but it is no where near as clear nor offers the same UV resistance as XCR.

Warren Penalver
Easy Composites / Carbon Mods - Technical Support Assistant
Matt (Staff)
Matt (Staff)
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By epoxy standards, the XCR is lightning quick; as you'll know you only have a few minutes pot-life and that results in about a 3hr initial cure. Since pot-life and cure time are inextricably linked, if you wanted a 30 min cure time then you'd be down at only a minute or so of pot-life which I don't think would be practical for skinning!

Your best option would be to use the XCR skinning resin (which performs better for skinning than any other resin) and then use an oven at a modest temperature to accelerate the cure after application. You might need to experiment with your process slightly though (temperature of the oven for example) because the viscosity of the resin will reduce at elevated temperature and so you might find that the resin runs off more when it's heated in the oven. If you're only skinning small parts and you take time to work out what temperature you can get away with (you'll need to be spot-on with your timings) then this can speed your skinning time considerably.

Matt Statham
Easy Composites / Carbon Mods - Technical Sales
Dravis
Dravis
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Yeah .. "lightning fast"  - and exothermal in the pot ... Wow ---  even a few cm's in the bottom of a plastic cup will melt the cup and go black-brown very quickly -- Blink

 I've successfully cured XCR skinned parts at around 60 Deg. C.  That gets it to the tacky but firm state in less than 1 hour total

Process is as follows:  Skin as you like, then leave until the resin in left your mixing pot starts to gel - this will be less than 30 mins ..  Then put your part in a preheated oven at 50 - 60 degrees --  for about another 30 mins ..
- check at intervals and then go for the next layer of XCR ..

Leaving it at room temp. until it starts to gel avoids problems with the resin getting too "runny" --

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