Densified Wood is a name given that covers the methodologies used to produce the product.
Brand Names commonly selected are Panzerholz and Permali.
Panzerholz as a product is mostly used within Audio as the B25 material with the Wood Grain orientated as a Cross Grain on the Laminations.
Permali is usually EV6 again it is to have the Cross Grain Orientation on the laminations.
Each can be found as supplied boards with a thicknesses that ranges from 5mm - 100mm.
The Link will show a description offered by a individual who's career, will have introduced them to many options for a material to be selected. Panzerholz is quite important to the production of this Companies Designs.
https://www.monoandstereo.com/2014/11/interview-with-rainer-weber-of-kaiser.html