I used several commercially available stabilizing resins to harden rough wood. The TMI resin was probably one of the best resins I've used and it forms a very dense and hard end product. I will continue to buy as needed.
SCIGRIP 10799 3 Acrylic Solvent Cement, Low-VOC, Water-Thin And Very Fast Setting, Clear, 1/4 Pint (4 Fl Oz)
5 Review
Waterproof Polyurethane Glue, 8 Ounce Bottle, Brown - Gorilla Original Gorilla Glue (Pack Of 1)
27 Review
655 High-Viscosity Pre-Blended Epoxy Adhesive
3 Review
PVA glue Titebond III Ultimate high moisture resistance, 118 g
6 Review