Technical Felts
Technical Felts for Industrial Applications
Premium quality for a wide range of technical uses
HEY-SIGN by BWF Group offers wool felts of the highest quality for a variety of technical applications. Our technical felts consistently set benchmarks in both national and international markets. Thanks to our broad product portfolio and decades of experience, we can provide precise, tailored solutions for every customer.
As a DIN ISO 9001:2015 certified company, we manufacture all our technical felts exclusively in Germany, in accordance with DIN 61200 and DIN 61206. Depending on the intended use, we can apply chemical, thermal, or mechanical finishes to meet customer-specific functional requirements.
Precision Makes the Difference
Depending on their composition, our technical wool felts offer specific properties that provide the greatest advantage for the intended application. In the technical field, even small differences in composition or density can be crucial – our experts will always find the exact solution for your needs.
Fields of Application
- Automotive and Supplier Industry
Comfort and functionality for mobility - Mechanical and Tool Engineering
Precision and reliability - Electronics and Electro-Optical Industry
Protection and insulation - Office Machinery and Stationery Manufacturers
Quiet and efficient functionality - Wood Processing Industry
Protection and processing support - Abrasive and Polishing Tools
Professional surface finishing
- Enamelled Wire Industry
Specialised industrial uses - Orthopaedics
Medical and therapeutic applications - Footwear Industry
Comfort and quality - Accessories and Furniture Industry
Design meets functionality - Music Industry
Acoustics and precision
Technical Wool Felts
Specialised application areas:
- Leather Felt – For diverse technical uses such as seals and oil separators
- Saddle Felt – For equestrian and saddlery purposes
- Lining Felt – For footwear, clothing, and automotive
- Padding Felt – For furniture, upholstery, and automotive
- Orthopaedic Felt – For medical and orthopaedic purposes
Custom solutions: Applications are so varied that we develop bespoke product solutions. Our experts are happy to advise on the feasible parameters for your specific application.
Technical Specifications
Material Variants
Carbonised / Uncarbonised
- Carbonised – exceptionally pure and clean
- Uncarbonised – retains vegetable matter
- Selection based – on application requirements
Dyed / Undyed
- Dyed – custom colours available
- Undyed – natural wool colour
- Colourfastness guaranteed – even in technical uses
Raw Materials and Fibre Blends
A wide range of material options:
- Pure wool – for natural properties
- Wool-synthetic blends – tailored properties
- Special fibres – for specific demands
- Customer-specific blends – according to your requirements
Density and Thickness
Precision specifications:
- Density range – 0.11 g/cm³ to 0.50 g/cm³
- Variable thicknesses – from very thin to very thick
- Customer-specific adjustments – exactly to specification
- Consistent quality – through controlled production
Manufacturing process
Different production methods:
- Felting – traditional process for wool felts
- Fulling – mechanical densification
- Needling – for needle felts and specific textures
- Combined processes – for optimised properties
Finishes and Treatments
Chemical Finishes
- Flame-retardant treatments – according to various standards
- Impregnation – water and dirt repellency
- Antistatic treatments – for electronic applications
- Special chemical finishes – for unique requirements
Thermal Treatments
- Heat setting – shape stability
- Temperature resistance – for high-temperature applications
- Shrinkage control – dimensional stability
Mechanical Finishes
- Surface treatments – for specific textures
- Densification – for increased strength
- Precision cutting – to exact specifications
Research and Development at Institute Level
State-of-the-art laboratory facilities
Our state-of-the-art laboratories are equipped to perform all relevant testing and to work with customers on individual product developments.
Our competencies:
- Material testing and analysis – comprehensive quality control
- Bespoke product development – tailored to your needs
- Customer-specific adjustments – optimised for your application
- Continuous improvement – innovation through research
Precision makes the difference
Depending on their composition, our needle felts offer unique properties for each intended use. In technical applications, even small variations in composition or density are crucial – and our experts always find the precise solution for your project.