Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Fiberboard panels from residual softwood fibers from the pulp and paper industry, bonded with CLS; 750 kg·m−3 target density, 6 mm thickness, and four addition levels of ammonium lignosulfonate (8%, 10%, 12%, and 14%), and a control fiberboard panel (REF10), bonded with UF resin.
