Every percentage point of fiber that passes through the machine without becoming paper is lost revenue — fiber cost, wasted chemistry, increased white water loading, and more frequent felt and fabric cleaning cycles. On a 300 ton/day machine, a 1% retention improvement represents 3 tons per day of fiber that stays on the sheet instead of circulating in the white water system. While first-pass retention is primarily a forming fabric function, dryer fabric surface characteristics and permeability directly influence sheet integrity during the critical wet-to-dry transition. A fabric surface that disrupts the fiber mat, excessive permeability that pulls fines from the sheet, or contamination that creates localized sticking points — all degrade effective fiber retention through the dryer section.
Every percentage point of fiber that passes through the machine without becoming paper is lost revenue — fiber cost, wasted chemistry, increased white water loading, and more frequent felt and fabric cleaning cycles. On a 300 ton/day machine, a 1% retention improvement represents 3 tons per day of fiber that stays on the sheet instead of circulating in the white water system. While first-pass retention is primarily a forming fabric function, dryer fabric surface characteristics and permeability directly influence sheet integrity during the critical wet-to-dry transition. A fabric surface that disrupts the fiber mat, excessive permeability that pulls fines from the sheet, or contamination that creates localized sticking points — all degrade effective fiber retention through the dryer section.
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 dryer fabric improves fiber and fines retention through the dryer section with three engineered features. Ultra-smooth flat yarn contact surface minimizes fiber-mat disruption during sheet transfer — every surface irregularity is a potential fiber-pick point. Calibrated permeability prevents excessive airflow that pulls lightweight fines from the sheet surface into the fabric structure. Contamination-release weave with optional PTFE coating prevents sticky deposits that create localized fiber-picking points and progressively degrade sheet quality. Combined with optimized forming fabric retention, PAPTEX dryer fabric contributes to measurable yield improvement from headbox to reel.
Smooth flat yarn surface minimizes fiber-mat disruption — fewer fiber-pick defects at the reel
Calibrated CFM prevents fines migration from sheet surface into fabric structure
Contamination-release surface eliminates sticky deposits that pick fibers from the sheet
Extended fabric cleaning intervals — less frequent chemical cleaning cycles that disrupt production
Measurable yield improvement contributing to lower fiber cost per ton of saleable paper
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
Standard round-yarn dryer fabrics create more fiber-pick points at yarn crossover locations compared to PAPTEX flat yarn construction. Standard fabrics without contamination-release treatment accumulate sticky deposits that progressively increase fiber loss through the service life. PAPTEX engineered surface and permeability control maintain consistent retention performance from installation to changeout.
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Send us your machine parameters (fiber cost per ton, daily tonnage, current first-pass retention, and dryer fabric CFM). Our application engineer responds within 24 hours with a retention optimization calculation and estimated annual fiber savings.