What is Industrial Wool Felt?


Industrial Wool felt is a dense, non-woven textile produced by matting, condensing and pressing wool fibres together. Unlike woven or knitted fabrics, felt forms through fibre entanglement, typically using heat, moisture and mechanical action.

Industrial wool felt is engineered for durability, thermal stability and resilience, and it is available in a range of densities, thicknesses and finishes to meet diverse industrial requirements.

Key properties

  • Thermal insulation: Wool fibres have natural insulating properties and good heat resistance. Felt provides steady thermal performance across a wide temperature range.

  • Acoustic damping: The open fibre network absorbs and dissipates sound and vibration, making felt useful for noise control.

  • Compression resilience: High-density felts resist deformation and recover well after load cycles, offering cushioning and sealing performance.

  • Moisture handling: Wool can absorb and release moisture without losing structural integrity; this moderates humidity and can reduce condensation in assemblies.

  • Chemical and flame behaviour: Wool is naturally flame-retardant compared with many synthetic fibres


WOOL FELT ROLLS

Composition: 100% Wool and blended felt

Thickness: 2mm to 30mm

Density: 0.18 to 0.44 gmcc3

Width:1500 to 1800 mm

Colour: White / Grey / Black


RequirementSpecifications:

U.S. SAE-J341B and CF-206

British BS-4060
German DIN-61200
Russian GOST-288 and 6308
Indian IS-1719
Japanese JIS-L-3201

WOOL FELT SHEETS

Composition: 100% Wool

Thickness: 3mm to 60mm

Density: 0.36 to 0.70 gmcc3

Width: Up to 1000 mm

Length:1500 mm

Colour:White / Grey
“Higher Thickness and Density possible”

RequirementSpecifications:

U.S. SAE-J341B and CF-206

British BS-4060
German DIN-61200
Russian GOST-288 and 6308
Indian IS-1719
Japanese JIS-L-3201

What are the uses of Wool Felt?

Wool Felts and its Industrial uses:

  • Typical grades and forms: sheets, rolls, strips, pads, gaskets, custom-cut parts

I. Sealing and gasketing

  • Rotary shaft seals and flange gaskets

  • Valve and pump packing

  • Static and dynamic seals in heavy equipment

  • Advantages: conformability to irregular surfaces, oil retention for lubricated seals, vibration damping, long service life

II. Filtration and separation

  • Liquid filtration: fuel, oil, hydraulic fluids, coolants

  • Air and gas filtration in HVAC, industrial ovens, and dust collection

  • Multi-layer and gradient-density constructions for staged filtration

  • Benefits: high particle capture efficiency, thermal resistance, chemical compatibility with hydrocarbons

III. Vibration and shock control

  • Machine mounts and vibration isolators

  • Impact-absorbing pads under presses, compressors, transformers

  • Noise reduction panels and acoustic insulation in enclosures

  • Advantages: energy dissipation, longevity under cyclic loading

IV. Thermal insulation and fire protection

  • High-temperature gasketing and insulation around furnaces, boilers, kilns

  • Insulation in steam systems and pipe penetration seals

  • Firestop applications where wool felt’s flame resistance is required

  • Benefits: thermal stability, low thermal conductivity, resistance to thermal cycling

V. Polishing, buffing and finishing

  • Polishing wheels, buffs and pads for metal, glass, and stone finishing

  • Controlled abrasion for lapping and surface conditioning

  • Use with polishing compounds and abrasives for fine surface finish

  • Advantages: uniform contact, minimal scratching, long life

VI. Wicking, lubrication and oil control

  • Oil wicks for reservoirs, gearboxes and lubricators

  • Retention pads in machinery to maintain lubricant film

  • Use in sealed assemblies to manage lubricant distribution

  • Benefits: consistent lubrication, reduced leakage, contamination control

VII. Wear protection and bearings

  • Low-speed, load-bearing felt bushings and thrust washers

  • Wear strips and slide pads for heavy sliding interfaces

  • Replacement linings to extend component life

  • Advantages: self-lubricating behaviour, low friction, high compressive strength

VIII. Decorative and protective applications

  • Surface protection pads for transport and assembly of finished goods

  • Decorative trims in furniture and cabinetry for cushioning and scratch prevention

  • Custom-cut interior panels in high-end enclosures

IX. Specialty and custom solutions

  • Chemical-treated felts for enhanced resistance (hydrophobic, oil-resistant, flame-retardant)

  • Composite assemblies with metal or synthetic layers for hybrid performance

  • CNC cutting, die-cutting and CNC routing for precision parts

  • Rapid prototyping and small-batch production for bespoke industrial requirements

X. Selection criteria and specification guidance

  • Key selection factors: fibre content (pure wool vs blends), density (g/m2 or kg/m3), thickness, compressive strength, thermal rating, chemical compatibility, porosity

  • Testing standards and performance metrics: compression set, tensile strength, oil absorption, flame resistance, filtration efficiency

  • Lifecycle considerations: expected wear, maintenance intervals, environmental exposure

XI. Installation, maintenance and disposal

  • Installation best practices: correct compression, mating surface preparation, sealing adhesives where applicable

  • Maintenance: inspection intervals, cleaning methods, replacement triggers

  • End-of-life: recyclability, biodegradation of natural wool, safe disposal of treated/contaminated felt

XII. Case studies / Typical industry sectors

  • Automotive: seals, polishing, bushings, noise control

  • Aerospace: vibration isolation, thermal insulation, polishing

  • Energy and utilities: turbine seals, filtration, insulation

  • Manufacturing and metalworking: buffing wheels, machine pads, wicking

  • Chemical and petrochemical: filtration, gasketing, oil management

  • Transportation and heavy equipment: wear strips, cushioning, vibration damping

SAE Specifications Products

Pressed wool felts are made from high-quality wool fibres which are mechanically pressed using heat, moisture, and pressure. The process is mandated by SAE standards which determine the wool content, density, and other properties.