Has anyone got any experience with using cork as a core?  Several kayak manufacturers have started using it recently and was wondering if anyone has any experience with it as a material for both vac bag and infusion?

http://www.matrix-composites.co.uk/



In my test I infused three parallel strips in the same go, on a small glass plate.  I did not notice a significant difference in infusion speed, but since the cork strip was in the middle and inlet and vacuum was at the ends of the cork, it may have compensated for a slower infusion rate for the cork.

I'm away from my workshop until early next week, so results will follow some time next week.




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