Kraft paper machines run at high temperatures (160–180°C) with heavy basis weights (60–400 g/m²). Standard dryer fabrics degrade prematurely under these conditions — contamination buildup reduces air permeability, uneven drying creates sheet quality issues, and frequent fabric changes eat into production uptime. Kraft mills need dryer fabrics engineered specifically for high-temperature, heavy-weight operation.
Kraft paper machines run at high temperatures (160–180°C) with heavy basis weights (60–400 g/m²). Standard dryer fabrics degrade prematurely under these conditions — contamination buildup reduces air permeability, uneven drying creates sheet quality issues, and frequent fabric changes eat into production uptime. Kraft mills need dryer fabrics engineered specifically for high-temperature, heavy-weight operation.
Hidden Costs
Downtime, energy waste, and sheet defects from suboptimal fabricsEfficiency Loss
Generic solutions don't match your specific operating conditionsDecision Delay
Procurement cycles stretch without engineering-grade selection guidancePAPTEX Polyester Dryer Fabric — Flat Yarn Series (PAPTEX-FY-4500) is built for kraft paper machine conditions. 100% PET monofilament withstands continuous 180°C operation. Flat yarn weave with 350–650 CFM air permeability maintains consistent drying rates across the full machine width. PTFE coating option provides superior contamination release in high-stickiness kraft grades. Each fabric is custom-manufactured to your machine dimensions — no stock-fabric compromise.
Continuous 180°C operation — no thermal degradation in kraft dryer sections
PTFE coating option reduces stickies buildup by up to 30% in recycled-fiber kraft
Caliper tolerance ± 0.05 mm ensures uniform heat transfer across full machine width
Custom-manufactured to your Valmet, Voith, or other machine brand — exact fit, no modification
Pin seam with ≥ 85% strength retention — fast installation, minimal downtime
100% Polyester (PET) Monofilament
400 – 1,200 m/min
6 – 14 months (varies by paper grade and operating conditions)
12 – 400 g/m²
Core parameters for Polyester Dryer Fabric. See the product decision page for complete specifications.
| Material | 100% Polyester (PET) Monofilament |
| Construction | Flat yarn, multi-shed weave |
| Air Permeability | 350 – 650 CFM (at 125 Pa, ISO 9237) |
| Continuous Operating Temperature | Up to 180°C |
| Peak Temperature | 200°C (≤ 15 minutes) |
| Tensile Strength (Warp) | ≥ 80 kN/m |
| Tensile Strength (Weft) | ≥ 45 kN/m |
| Elongation at Break (Warp) | ≤ 2.5% at 80 kN/m |
Compatible Machine Brands
Compared to standard polyester dryer fabrics, PAPTEX Flat Yarn Series provides ± 0.05 mm caliper tolerance (industry typical ± 0.10 mm), 20+ QC inspection points per fabric, and factory-direct pricing with no distributor margin. For kraft paper machines where consistent drying and contamination resistance directly impact sheet quality and machine uptime, this translates to measurable ROI within the first service life.
vs Competitors
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