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Glues were made from animals for centuries and are animal glue is still phenomenal for a number of woodworking applications. It's also much more expensive than
by i_am_proteus 5y ago
Glues were made from animals for centuries and are animal glue is still phenomenal for a number of woodworking applications.
It's also much more expensive than synthetic glue. This does not mean that a glued lumber product is necessarily unnatural or unsustainable, but rather that the price may end up being higher, and the properties different, when using a natural glue.
- eropple 5y agoTotally right, but one thing I learned recently - hide glue isn't that much more expensive than the same manufacturers' PVA glues. (For folks who aren't familiar, though, animal glues aren't really substitutable for things like plywood; the ability to undo a hide glue joint is valuable in furnituremaking but not in plywood composition.)
- i_am_proteus 5y agoAnd absolutely key in instrument making/repair. Hoof glue might be better for ply.
- eropple 5y agoThat makes sense. You're talking about a lot of glue for one panel, though, and at that point I would be worried about costing (and still more worried about delamination than with PVA). Plywood is weird when you think about it.