The process sketch in the linked article is soak wood in some unspecified chemicals for a while then compress it (claimed by a factor of 4). Wood is ~400/500 kg

The process sketch in the linked article is soak wood in some unspecified chemicals for a while then compress it (claimed by a factor of 4). Wood is ~400/500 kg/m3 so taken at face value I guess that gives ~1800kg/m3. Pretty much where carbon fibre falls. I'd expect it to be done at elevated temperature too. I think I'd expect that to work. It's not going to be better than steel, as steel is amazing for a wide range of reasons, but for something in the domain of marine ply / other engineered timber, sure.