The high force of the press causes the temperature on the wood to extend considerably, along with the lignin plasticizes slightly, forming a natural "glue" that holds the pellet collectively because it cools.[9] unmitigated - not diminished or moderated in intensity or severity; occasionally used being an intensifier; "unmitigated suffering"; https://trevorrmdsg.win-blog.com/19839513/buy-pini-kay-briquettes-fundamentals-explained