The forming fabric or "wire" of a paper machine is the continuous belt or belts of mesh screen upon which the paper sheet is formed. Most modern forming fabrics are no longer comprised of metal wires. Rather, they are comprised of monofilament plastic strands. Reking Group, as Top5 of the Polyester forming fabric Manufacturer, are patent designed the new pattern forming fabric.

Polyester forming fabrics are designed in single layer, 1.5 layer, double layer, 2.5 layer and Triple layer for paper making. As the key part of paper machine clothing, forming fabrics operate at the wet end of a paper machine to form and transport the paper sheets to the press section.

Bellow is the designing mold for Triple Layer forming fabric :

The weave pattern and layering of a forming fabric is designed to meet stringent requirements of dimensional stability, resistance to abrasion (on the wire side), minimum resistance to drainage, minimum wire-mark, and (sometimes) maximization of retention of fiber fines. Traditional Fourdrinier paper machines have a single wire. Modified Fourdriniers and gap formers can have two or three.

The following key questions are mostly answered when choosing a forming fabric:

What are the two main jobs of a forming fabric?

To retain as much fiber and other furnish components as possible, and to allow water to drain through as quickly as possible.

What are the most common fabric styles or weaves used in forming fabrics?

The most common fabric styles are single layer (one MD [Machine Direction and one CD [Cross Direction] strand), double layer (one MD and two CD strands), double layer with support shute (one MD and three CD strands), and triple layer (two MD and three CD strands).

What is the difference between "mesh" and "count"?

Mesh refers to the number of MD yarns per inch of fabric, while count refers to the number of CD yarns per inch of fabric.

Why can't air permeability (which measures air flow) be used alone to predict the drainage capacity of a fabric?

Because it does not take into account the impact of the fibers and furnish on drainage. Surface topography and fabric construction both affect furnish retention and so can also affect the dewatering capacity of the fabric.

How can you tell if a forming fabric is misaligned?

Most forming fabrics are manufactured with a colored stripe across their width. If this stripe is not straight, this means that the fabric is skewed or misaligned.