Commonly known as 2.5-layer forming fabric, extra support double layer forming fabrics are to further improve the characteristics of double-layer design. It’s a standard double layer forming fabric with an additional weft yarn on the sheet side of the fabric. There is an improvement in sheet formation, smoothness, reduction of wire mark and better cleaning of the showers. Extra support double layer forming fabrics are commonly used in newsprint and fine papers production or in applications that use very short fibers.
A single layer forming fabric has the simplest weave pattern. It is composed by one CD yarn and one MD yarn system. Single layer forming fabrics can be woven into various patterns for different performance and applications.