Xylan is a type of wood gum, which is a natural adhesive made from the sap of certain trees. It is used in a variety of applications, including woodworking, papermaking, and furniture making. Xylan is a strong and durable adhesive that is resistant to water, heat, and chemicals. It is also non-toxic and environmentally friendly. Xylan is an ideal choice for many woodworking projects, as it provides a strong bond and can be used on a variety of surfaces.