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Polyester press felt for paper industry
We provide dryer felts and dryer screens including Single Layer, Double Layer, Tri Layer, Chemical Treatment, Paper Making Felt and Pulp Making Felt.
The dryer felt include BOB dryer felt, BOB dryer felt, spiral dryer felt, even dryer felt, anti-electricity dryer felt and seaming dryer felt. The five latters concentrate all excellencies of BOB dryer fabrics. Having the characters of good filterability, mark-free, heat-resistant and wet-resistant and anti-aging, even structure, wear-resistant, stable size, great strength, anti-high=pressure, easy to operation and long life. Anti-electricity dryer felt used specially for special tissue paper, having good characters of preventing paper breaking because of the electricity in dryer part.
Polyester press felt require the following properties
1.Dewatering ability.(drainability), remove as much water as possible out of wet paper web.
2.Transferability of wet paper web, transfer wet paper web safely to the next position by adhering the wet paper to the felt.
3.Runnability, avoid such undesirable conditions as snaking, deviation, vibration and wrinkling.
4.Wear resistance and hair shdding resistance,avoid wear in short running periods and keep shed fibers to a minimum.
5.Compaction resistance,avoid choking by increasing density and deposition of contaminating substances and maintain resiliency and elasticity in the early running stages.
6.Papaer surface smootheness, avoid anyfelt or roll markings.
7.Break-in, reach the desirable operating speed in the shortest time.
8.Uniformity, achieve a uniform evenness in felts.
9.Simple installation, enable easy felt installation onto the paper machines requiring the least number of people and in the shortest time to finish it.
1.Vibration prone positions.
2.Efficient pressing and excellent sheet transfer.
3.For tissue paper and fast printing paper grades.
4.Apply to improved cylinder vatmachines: 200 - 300m/min.
5. Apply to Imitation BF and Imitation crescent formermachines: 250 – 600m/min.
6.Apply to Imitation BF Series and crescent formermachines: 700-900m/min.