Construction, Building and Insulation Lignin & CelluloseSweden Tests Lignin Asphalt by Axel BarrettDecember 10, 2020May 19, 2021 The project uses lignin extracted from black liquor, a residual product from the pulp industry. Subscribe Buy a yearly subscription to access all content. More info Here Subscribe Log in Share this:TweetLike this:Like Loading... Echo Instruments, Technology to Measure & Analyse Plastic Biodegradation (FREE) Related