Depends on how it's made:I’ve seen a video of a guy who uses a wood board the size of foundation (with a handle), dips it in melted wax then dips it straight into cold water. Then peels off the wax layer.
Bees will coat anything before building wax on it.
But - making sheets of wax is yet another operation to perform, and no matter how skilled you are, you'll never make a sheet of wax as thin as the mid-rib which bees themselves draw. Also - studies have shown that if bees are given a sheet of plain non-embossed foundation to draw-out, they will not reduce it's thickness - and so there's no savings to be gained by them recycling the excess wax from what they've been given.Observations made during the study indicated a preference by the bees to use thin non-embossed wax sheets to make new combs rather than thick non-embossed wax sheets or embossed foundation. Cells built on combs from non-embossed wax sheets were, however, irregularly arranged as compared to the regular, orderly arrangement of cells on combs developed from the embossed foundation. Beekeepers can therefore reduce costs and make good gains in colony development and production through the use of plain non-embossed wax sheets.
Man - some of your posts are really weird ...SeaCucumber: How do you make "wax food" that they use to build foundationless faster and with less energy?