| Customization: | Available |
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| Certification: | ISO 9001:2000 |
| Surface Treatment: | Process Smooth |
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The press felt plays an important role in removing the water from the paper web after the forming section, and at the same time imparting smoothness and conveying it to the dryer section. For this reason, the press felt needed to provide the following functions: water removal, smoothness, and runnability.
In recent years, larger and faster paper machines require press felts of even higher consistency and quality. At Huatao, we seek uniformity in every aspect of the production process. Using digital controls, we are able to manage the entire process with great precision and implement a high level of quality control in all aspects.
Strength: Press felt has a certain strength. The periodic stress and fatigue in the process of pressing can cause the felt elongation, compression and horizontal direction strain. When felt is used too long, the deformation will reduce the felt quality and reduce felt service life.
Void Volume: The void volume refers to the measured value of water capacity of press felt, especially the maximum water capacity of the press felt under the load effect. Felt shall have a certain volume of voids to absorb the water pressed out of the wet paper sheet.
Permeability: Permeability refers the performance of water or air through felt under certain pressure or vacuum conditions. Press felt must have good permeability. The fluid pressure in pressure zone is too high to cause wet paper embossing. Fillers, binders, fine fibres and other impurities can clog felt pores and reduce felt permeability. So the felt must be cleaned regularly to keep felt clean. And as far as possible to avoid impurities to block felt pores, maintain its smooth, water permeable and large enough void volume to play the auxiliary dehydration of felt.
Compressible Properties: Felt must be kept in a certain degree of compressibility. After the felt is used, the pore volume decreases gradually, and the diameter of the capillary pipe becomes smaller. The result is that the channel of fluid flow and the penetration of the felt are reduced, and the pressure of pressed zone increases.
Wear Resistance: The felt play the role of transporting power, driving the action roller in press section. Because the felt will produce friction with some fixed element surface, such as felt suction tank or suction pipe, so the felt must have good wear resistance.
Polyester forming fabric can be divided into Single layer forming fabric, 1.5 Layer forming fabric, Double Layer forming fabric, 2.5 Layer forming fabric, SSB triple layer forming fabric.
4-shed single layer Polyester forming fabric is standard type of polyester forming fabric in paper making, mainly used for producing cultural paper printing paper, packing paper, and so on.
5-shed single layer Polyester forming fabric is suitable for making healthy, culture and packing papers, etc.
8-shed single layer Polyester forming fabric is the most wear-resisting one in the single layer screen, which has long performance life, but mesh print is relatively deep. It is mainly used for copying the papermaking bag, craft paper, cardboard, corrugated paper, and so on.
7-shed double layer Polyester forming fabric is suitable for quality printing paper and tissue paper etc.
8-shed double layer Polyester forming fabric is suitable for quality printing paper, tissue paper, and the surface pulp and inner pulp of the board paper, etc.
8-shed, 16-shed double and a half layer Polyester forming fabric are suitable for making quality printing paper, tissue paper and surface pulp, inner pulp and base pulp of the board paper, etc.
Multi-shed three-layer Polyester forming fabrics suitable for making quality printing paper, tissue paper, cigarette paper, etc.
| Model | Thread Diameter (mm) |
Thickness (mm) |
Weight (kg/m2) |
Air Permeability (m3/m2h) |
|
| Warp | Weft | ||||
| big loop | 0.9 | 1.1 | 3 | 1.7 | 20500+-1500 |
| middle loop | 0.7 | 0.9 | 2.5 | 1.4 | 18500+-1500 |
| small loop | 0.5 | 0.7 | 1.9 | 1.1 | 15000+-1500 |
Huatao Group, founded in 2008, is a specialist supplier of paper and pulp mill machinery with a long history of exporting paper making machines, paper pulp machines, corrugated cardboard production line and paper machine clothing (PMC), as well as spare parts for paper and board machines. Since the day of our foundation, we have made a firm commitment to building "Huatao" as a reliable international brand standing out from the crowd. The long-term partnership with a number of renowned paper machine manufacturers and paper machine clothing factories is focused on realizing this commitment, from professional design and on-time delivery of high quality paper & board machines, to superior customer service attitude.
At Huatao, we do not consider ourselves as just a paper pulp machine supplier or a corrugated cardboard production line supplier, but far more as a competent upgrading service provider for paper and board machines, particularly when an old paper machine has to be updated or an existing component of corrugated line need to be replaced for higher productivity. Whether you are a new paper mill sifting through paper machinery, a paper mill machinery dealer looking for high-quality pulp and paper manufacturing machinery, or a corrugated board plant hoping to change your current corrugated cardboard machines, Huatao will be a reliable source for paper making machines and paper machine fabrics. Rest assured, our customer service department will listen to your needs and answer your questions regarding all our products.
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