
Forming Fabric Edge Curling: Causes and Troubleshooting
A practical troubleshooting guide for forming fabric edge curling, poor tracking, uneven tension, and premature edge wear on paper machine wire sections.
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SSB (Sheet Support Binder) triple layer forming fabric represents the pinnacle of paper machine clothing technology. For paper manufacturers operating high-speed machines or producing demanding paper grades, SSB fabrics deliver unmatched performance.
Unlike single or double layer fabrics, SSB fabrics feature three independent yarn systems:
The fine top layer provides excellent fiber support and minimal wire marking, resulting in a smoother, more uniform paper surface. This is particularly important for printing and writing grades where surface quality directly impacts printability.
The independent bottom layer is designed specifically for drainage, with higher open area than the top layer. This dual-layer approach optimizes both fiber retention AND water removal simultaneously.
The robust bottom layer is engineered for wear resistance, while the top layer focuses on sheet quality. This separation of functions means each layer can be optimized without compromise, resulting in 50-100% longer running life compared to double layer fabrics.
The SSB structure provides exceptional cross-machine and machine-direction stability. This means:
SSB fabrics can be customized for virtually any paper grade:
Consider upgrading to SSB triple layer fabric if:
While SSB fabrics have a higher initial cost, the total cost of ownership is typically lower due to:
SSB triple layer forming fabric is a proven technology that delivers measurable improvements in paper quality, machine efficiency, and operating costs. Contact HengXing Corp to discuss how our SSB fabrics can benefit your operation.
Contact our technical team for a free consultation on paper machine clothing solutions.

A practical troubleshooting guide for forming fabric edge curling, poor tracking, uneven tension, and premature edge wear on paper machine wire sections.
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