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panda	panda posted 10 Years Ago HOT Topic Details
Group: Forum Members Posts: 47, Visits: 2.1K	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? How does it compare with foam core for impact resistance? How stiff do the finished laminate end up compared with other traditional core materials? Will any cork sheet do or is there a specific grade needed for use in composites? Tom www.pandakayaks.co.uk
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panda - 10 Years Ago

Yes, I love it. Best way to describe it is as a direct replacement for Soric, but it's better in...

Hanaldo - 10 Years Ago

I have just infused a test sheet using ordinary thin (3 mm) floor "anti-sound" cork sheet... not...

Dravis - 10 Years Ago

Thanks Guys, Would love to hear how your tests get on Dravis, keep us updated. Where abouts can...

panda - 10 Years Ago

http://www.matrix-composites.co.uk/ :) In my test I infused three parallel strips in the same...

Dravis - 10 Years Ago

OK, my test infusion of three different core materials went very well..! Preliminary results...

Dravis - 10 Years Ago

For the sake of science, I'll do an exact copy of your test, except using the composite-specific...

Hanaldo - 10 Years Ago

Right! :) I infused a square about 28 cm x 28 cm.. (roughly 1 square foot) After cutting and...

Dravis - 10 Years Ago

Dravis, I note that you do not use a flow media on the cores itself? I would expect the use of a...

Warren (Staff) - 10 Years Ago

Regarding the flow media: I think I will do another test, this time only with cork and Soric, and...

Dravis - 10 Years Ago

You raise an interesting point with the PET core vs the Soric there with regards to resin uptake,...

Hanaldo - 10 Years Ago

I'm floored (pun intended) to hear that 2-3mm cork underlayment is a substantial core material. Is...

mgb4tim - 10 Years Ago

The proper stuff is compatible with all resin systems so I can't see why the floor board stuff...

Hanaldo - 10 Years Ago

Also, on the thought of preparing the core for infusion, the Amorim stuff I have doesn't appear to...

Hanaldo - 10 Years Ago

Let's not praise cork too much, it might be nice and cheap but it has a pretty high density. The...

brainfart - 10 Years Ago

[quote][b]brainfart (10/10/2014)[/b][hr]Let's not praise cork too much, it might be nice and cheap...

wozza - 10 Years Ago

Perhaps, but you're missing the point. For an infusion application, cork performs and it performs...

Hanaldo - 10 Years Ago

> I have a customer who manufactures wind turbines. In the layup schedule for the blades he...

brainfart - 10 Years Ago

Thanks for the feedback everyone, I bought a roll of cork to see what it was like, not specific...

panda - 10 Years Ago

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