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Subject:	Re: FW: Natural Alternative Methods to save the Bees!
From:	randy oliver <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Thu, 8 May 2014 07:11:18 -0700
Content-Type:	text/plain
Parts/Attachments:	text/plain (21 lines)

>How is delamination prevented when "end grain" of plywood is exposed?

I use 3/4" MDO (medium density overlay) plywood for my covers, hot tanked
in 3:1 142F paraffin:ww gum rosin.  No paint.  They last for many years.

They do conduct heat pretty well from the top of the cover to the
underside, but not that much more than 3/4" pine, as determined by IR
thermometer pointed at the top and bottom when exposed to summer sunlight.
Yes, I understand that the temperatures of the surfaces are not a direct
measurement of conductivity.

--
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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