PAPTEX GW22504K Hydrolysis-Resistant Flat-Woven Dryer Fabric
Model: GW22504K · 4-shed double-layer flat-woven dryer fabric with spiral seam.
GW22504K is a 4-shed double-layer flat-woven dryer fabric with a spiral seam. The reviewed sheet specifies hydrolysis-resistant PET monofilament in both warp and weft. The values below are transcribed from that sheet; final fabric selection must be confirmed against the machine conditions and fabric dimensions.
11,200 m³/m²h (709 CFM)
Air Permeability
22.5–23.5 ends/cm
Warp Density
2.00 mm
Caliper
12.0–13.0 ends/cm
Weft Density
Paper Grade Selection Requires Technical Review
The reviewed model datasheet confirms construction and technical parameters. Paper-grade suitability must be confirmed against your machine conditions.
Share your paper grade, machine configuration and current fabric details for an engineering review.
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GW22504K Hydrolysis-Resistant Flat-Woven Dryer Fabric
GW22504K is a 4-shed double-layer flat-woven dryer fabric with a spiral seam. The reviewed sheet specifies hydrolysis-resistant PET monofilament in both warp and weft. The values below are transcribed from that sheet; final fabric selection must be confirmed against the machine conditions and fabric dimensions.
The product image is representative of the flat-woven dryer-fabric family and is not a unit-specific inspection image.
Evidence-Based Quality
Every claim backed by test reports, certifications, and factory data.
Tensile Strength Testing — ISO 9073-3
Per ISO 9073-3 standard N/cm · MD and CMD, 23°C ± 2°C, 50% ± 5% RH
Source: In-house universal testing machineHydrolysis Resistance Testing
Retained ≥85% tensile after 150 days % retention · at 120-160°C saturated steam
Source: Accelerated aging test, internal lab protocol PTL-027Abrasion Resistance Testing — ISO 12947
Per ISO 12947 (Martindale) cycles to failure
Source: In-house Martindale abrasion testerISO 9001:2015 Quality Management System
ISO 9001:2015
Source: ISO 9001:2015 Certificate, issued by SGSISO 14001:2015 Environmental Management System
ISO 14001:2015
Source: ISO 14001:2015 Certificate, issued by SGSTeijin PET Monofilament Certification
Teijin PET — hydrolysis-resistant grade
Source: Teijin material certification, batch tested quarterlyNextrusion Polyamide Certification
Nextrusion PA6 — high-tenacity grade
Source: Nextrusion material certificationAll evidence L3 or L4 — no unverified claims · 7 evidence items · 7 ⭐ L4 (Gold Standard)
6 Pillars of Trust
Every claim verified, every process documented, every shipment traceable.
Company Profile
Founded 1979, 500+ employees, 38+ senior engineers
Manufacturing Capacity
900,000 m² annual capacity, 8 lines, TEXO (Sweden) + JAGER (Germany) equipment
Quality Inspection
7 inspection stages, compliant with ISO 9001:2015, ISO 14001:2015, ISO 9237
Certifications
ISO 9001:2015, ISO 14001:2015, ISO 45001:2018
Global Markets
Export to 30+ countries, 70%+ export ratio
After-sales Support
On-site installation, 24/7 multilingual technical support, fast spare parts delivery worldwide
All trust pillars backed by verified evidence in the PAPTEX Evidence Database.
Technical Specifications
| Fabric construction | 4-shed double-layer flat weave with spiral seam |
| Warp density | 22.5–23.5 ends/cm |
| Weft density | 12.0–13.0 ends/cm |
| Warp yarn | Ø0.50 mm hydrolysis-resistant PET |
| Weft yarn | Ø0.50 mm hydrolysis-resistant PET |
| Air permeability | 11,200 m³/m²h (709 CFM) |
Need a custom specification?
Our engineers can tailor the fabric to your machine parameters.
Model Parameter Basis
The specifications displayed for this model have been checked against a model-specific technical parameter sheet. Final fabric selection still requires review of your actual machine conditions.
For an engineering review, please provide:
Paper grade, machine width, machine speed, position and current fabric data.
Request Engineering Review →Performance Metrics
Key performance indicators measured under standard laboratory conditions.
Measured per ISO 9237 / ISO 9073 standards. Actual performance may vary with machine conditions.
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Full lab test report: ISO 9237 permeability, ISO 9073 tensile, ISO 12947 abrasion.
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Quote after technical reviewRecommended Reading
Technical articles, guides, and resources for your application.
Dryer Section
Guide to dryer-section heat transfer, steam use, dryer-fabric selection, air-permeability review and fabric tracking for paper machines.
Energy Saving
Energy efficiency strategies for paper machines: steam reduction, vacuum optimization, drive energy savings, and how PMC design contributes to overall energy performance.
Fabrics
In-depth knowledge about paper machine clothing: weave structures, material science (PET, PA, PPS), surface treatments, and performance characteristics across all fabric types.
Maintenance
PMC maintenance best practices: cleaning procedures, storage guidelines, inspection schedules, and fabric life extension techniques. Maximize ROI through proper care.
Installation
Step-by-step installation guides for all PMC types: forming fabric installation, dryer fabric installation, seam joining, tensioning procedures, and alignment verification.
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