POLYESTER SPIRAL PULPING BELTS

Pulping belts provide a wide range of fine weaves and permeability's to assist in converting wood and lignocellulosic nonwood materials into separated pulp fibers for paper manufacturing.

The kraft process uses sodium hydroxide and sodium sulfide to dissolve the lignin.

Polyester is chemically resistant to both of these chemicals.

Model of fabric

Thread Diameter (mm)

Density (thread/cm)

Intensity (N/cm)

Weight Kg/m²

Thickness
Mm

Permeability
(m³/m²h)

Warp

Weft

Warp

Weft

Surface

Steely
Joining

Spiraling ring joining

16304

0.25

0.30

19

15.5

1200

800

600

0.39

0.60

15000

18304

0.25

0.30

21

17

1300

850

650

0.44

0.62

13900

18354

0.25

0.35

21

19

1300

850

650

0.48

0.66

12000

18384

0.25

0.38

21

14.5

1300

850

650

0.51

0.71

9500

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