Brown Pulp Board: Eco-Friendly Strength for Packaging and Beyond In the realm of sustainable packaging and sturdy substrates, brown pulp board emerges as a natural and robust choice. Let's explore the attributes and versatile applications of this environmentally conscious material: Definition: Brown pulp board, often referred to simply as brown board or brown chipboard, is a heavyweight paperboard made from recycled paper fibers. Its distinctive brown color comes from the natural hue of the recycled paper pulp used in its production. Brown pulp board typically features a smooth surface on one side and a slightly textured or matte finish on the other.