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.

2.5 Layer Forming Fabrics paper sidepaper side
2.5 Layer Forming Fabricsmachine side

8-shed extra support weave

  • Smooth surface
  • Excellent fiber support and formation
  • Stable structure and less elongation
  • High resistance to abrasion
2.5 Layer Forming Fabrics Weave Designcmd
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Applications

  • Specialty papers
  • Tissue papers

Paper Side of 2.5 Layer Forming Fabricspaper side
Machine Side of 2.5 Layer Forming Fabricsmachine side

16-shed extra support weave

  • High drainage capability
  • Large diameter weft yarns on the wear side to provide high abrasion resistance
  • Stable runnability
Weave design of 2.5 Layer Forming Fabricsmd
Weave design of 2.5 Layer Forming Fabricscmd

Applications

  • Kraft papers, corrugating papers, board papers

2.5 layer forming fabrics can be woven in 8, 16 or 24 shed patterns. The weave design offers a uniform distribution of fibers and provides outstanding drainage capacity as a result of high top surface open area. The large diameter of weft yarns and long crimp on machine side provides excellent wear resistance and runability. The 2.5 layer forming fabric has the features of excellent fiber support, sheet formation and high drainage.

Specifications:

Type Warp mesh Weft count Warp diameter Weft diameter Air permeability FSI DI
2B6408 71.5-72.5 67.5-68.5 0.15 0.18 0.12/0.22 0.22 275 CFM 155 25.7
71.5-72.5 65.5-66.5 0.15 0.18 0.12/0.22 0.22 290 CFM 152 26.3
71.5-72.5 56.5-57.5 0.15 0.18 0.12/0.22 0.22 370 CFM 135 29.0
71.5-72.5 47.5-48.5 0.15 0.18 0.12/0.22 0.22 500 CFM 119 33.0
2B5616 62.5-63.5 60.5-61.5 0.17 0.20 0.13/0.30 0.30 285 CFM 139 23.9
62.5-63.5 59.5-60.5 0.17 0.20 0.13/0.35 0.35 250 CFM 137 20.6
62.5-63.5 53.5-54.5 0.17 0.20 0.13/0.35 0.35 320 CFM 126 23.7
62.5-63.5 47.5-48.5 0.17 0.20 0.13/0.35 0.35 380 CFM 115 25.1
2B4216 47.0-48.0 47.0-48.0 0.22 0.22 0.13/0.35 0.35 380 CFM 107 25.1
47.0-48.0 40.0-41.0 0.22 0.25 0.17/0.40 0.40 445 CFM 94 25.1
2B3616 40.5-41.5 38.5-39.5 0.26 0.30 0.20/0.50 0.50 350 CFM 89 18.8
40.5-41.5 36.5-37.5 0.26 0.30 0.20/0.50 0.50 400 CFM 85 20.4
40.5-41.5 34.5-35.5 0.26 0.30 0.20/0.50 0.50 445 CFM 82 21.4