Kraft liner board, often referred to simply as "kraft liner," is a type of paperboard known for its strength, durability, and versatility. It is widely used in the packaging industry, particularly for the production of corrugated boxes and other packaging materials. Here's some information about kraft liner boards Kraft liner board is a high-strength paperboard primarily made from long fibers of softwood pulp, typically derived from pine and spruce trees. The term "kraft" is derived from the German word for "strong" or "sturdy," reflecting its robust nature. Kraft liner is typically brown or tan in color due to its unbleached fibers