Print throu epoxy


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thanasiss3
thanasiss3
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Hi,i make carbon fibre laminates and have the following issues at some parts which get direct sunlight in the hot interior of a car

I 'post cure'the parts for some hours at 40celcius under the sun,but it seem the interior get hotter
Do i need higher temp post cure to avoid it?

This is the part after buffing the clear coat







http://i1293.photobucket.com/albums/b586/mad8shanasiss3/received_10206473749783589_zpsd81opsvx.jpeg

This after the paint through







http://i1293.photobucket.com/albums/b586/mad8shanasiss3/IMG_20150627_143652_zpsxamjqf12.jpg
Edited 10 Years Ago by thanasiss3
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Warren (Staff)
Warren (Staff)
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Take it in gradual steps for example, 2 hours at 20C, 2 hours at 40C, 2 hours at 60C and then say 6 hours at 80C then allow to cool naturally.  That should bring you upto 80C.  You have to do small steps when postcuring rather than just jumping to a high temperature because you are trying to avoid the resin softening (which is what causes the print through in your case it seems).

Warren Penalver
Easy Composites / Carbon Mods - Technical Support Assistant
GO

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thanasiss3 - 10 Years Ago
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