Talk Composites - The Forum for Advanced Composites

Top coat of resin tacky

http://www.talkcomposites.com/Topic30426.aspx

By C4RBON94 - 9/17/2018 1:34:51 PM

Hi I've just nearly finished my first carbon fibre skinned parts and the final coat has had over 50 hours to dry yet is still tacky, guessing this points to an incorrect ratio of hardener to resin?? What's the best way to fix this as I have tried to compiucoit which removes the tackiness but leaves a meatt finish

Tia , apologies if this is in the wrong place
By Fasta - 9/18/2018 7:12:29 AM

 
C4RBON94 - 9/18/2018 6:51:32 AM
 
Fasta - 9/18/2018 6:41:36 AM
 
C4RBON94 - 9/17/2018 1:34:51 PM
Hi I've just nearly finished my first carbon fibre skinned parts and the final coat has had over 50 hours to dry yet is still tacky, guessing this points to an incorrect ratio of hardener to resin?? What's the best way to fix this as I have tried to compiucoit which removes the tackiness but leaves a meatt finish

Tia , apologies if this is in the wrong place

Is this epoxy resin or other?

Sorry this is using the xcr resin from easy composites

I have not used this resin but any epoxy should cure as intended if it mixed right and has good temperature of over 20C. If giving it a bake with some extra heat for a few hours does not cure/improve the resin then something has gone wrong.