My Butvar 76 arrived yesterday. I need to know what concentrations of it to make for my bison prep. Most of the bison was in pretty decent shape and not terribly fragile, but the skull is a different story. It had a few tree roots growing through it and was split in a few places.  I do not know what concentrations to make of butvar 76 to stabilize the very fragile parts and also to glue back some broken pieces. 1. What concentrations do I need to make for the project? Ideally