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Send EmailTechnical Textile Nonwoven Fabrics, Nonwoven Waterjet, Nonwoven Needle Punched
Nonwoven fabrics are engineered textiles made by bonding or interlocking fibres through mechanical, thermal, or chemical processes, without the need for traditional weaving or knitting. In the world of technical textiles, nonwovens are indispensable due to their high production speed, low cost, design flexibility, and customisable physical properties. They are used in filtration, insulation, protective clothing, automotive, construction, and many other sectors.
The table presents two main production technologies:
Nonwoven Waterjet (Hydroentanglement – Spunlace): Uses high‑pressure water jets to entangle fibres. No chemical binders or heat are applied. The water jets mechanically interlock the fibres, producing a soft, drapable, flexible fabric with high tear strength. This method is particularly preferred for hygiene products, wet wipes, medical textiles, and lightweight protective clothing. Waterjet nonwovens have high porosity, making them ideal for applications requiring breathability.
Nonwoven Needle Punched: Uses sharp, barbed needles to mechanically penetrate a fibre web, causing the fibres to entangle. The result is a felt‑like, dense, durable, and thick structure. Needle‑punched nonwovens are used where high strength, thickness, and compression resistance are required (e.g., automotive carpets, floor coverings, filtration felts, insulation materials). For high‑performance fibres like aramid, needle punching is the most common bonding method.
Fibres Used and Their Meanings:
Meta‑aramid (e.g. Nomex®): Heat‑, flame‑, and chemical‑resistant synthetic fibre. Stable up to 370 °C, does not melt or drip. Electrically insulating. Widely used in heat barriers, fire‑protective clothing, and filters.
Para‑aramid (e.g. Kevlar®): High‑strength fibre, resistant to cutting and abrasion. It has the same strength as steel wire but is much lighter. Even small percentages (e.g., 15%) in a nonwoven significantly improve tear, puncture, and abrasion resistance.
These products are designed for hot environments, applications with flame risk, defence industries, and high‑performance filtration systems.
| Code | Technology | Width (cm) | Weight (g/m²) | Composition | Description & Best Use |
|---|---|---|---|---|---|
| 3000 | Nonwoven Waterjet | 152-160 | 85 | 85% Meta‑aramid – 15% Para‑aramid | Waterjet‑bonded, 85 g/m². Medium‑light weight, offers high flexibility and breathability. The 15% para‑aramid gives good tear and abrasion resistance. Applications: Linings or interlinings for flame‑resistant workwear (e.g., arc flash suits, welder’s jackets), thermal under‑layers, lightweight industrial filters, hot gas filtration, heat insulation layers. |
| 3001 | Nonwoven Waterjet | 152-160 | 55 | 85% Meta‑aramid – 15% Para‑aramid | Waterjet‑produced, very lightweight (55 g/m²). Same composition as 3000, but the lower weight provides maximum breathability, flexibility, and comfort. Mechanical strength is lower than 3000. Applications: Summer‑weight flame‑resistant garment linings, thermal underwear (firefighters, military), primary layer directly against the skin, medical protective equipment (flame‑retardant surgical drapes), fine particulate filtration. |
| 3002 | Nonwoven Needle Punched | 160 | 130 | 100% Meta‑aramid | Needle‑punched, 130 g/m², 100% meta‑aramid. Much denser, thicker, and less flexible than waterjet products. Superior heat and flame resistance. However, without para‑aramid, tear and abrasion resistance is relatively lower than 3000/3001. Applications: Industrial furnace felts, hot gas filters, baghouse filter bags, high‑temperature gaskets, thermal insulation blankets (e.g., turbine insulation), stainless steel annealing lines, heavy‑ duty fire blankets. |
Technological Comparison:
3000 and 3001 (Waterjet): Soft, flexible, wearable, breathable. Mainly for protective clothing linings and lightweight filtration.
3002 (Needle Punched): Stiff, felt‑like, high density, lower flexibility. Mainly for stationary industrial applications, heavy‑duty filtration, and insulation.
The current table only contains codes 3000, 3001, and 3002. In industrial practice, the following products are likely to exist (but are not listed in this catalogue):
| Possible Code | Hypothetical Construction | Description |
|---|---|---|
| 3003 | Waterjet, 100% Meta‑aramid, 70 g/m² | More economical, para‑aramid‑free lightweight lining. |
| 3004 | Needle Punched, 93% Meta‑aramid – 7% Para‑aramid, 200 g/m² | High mechanical strength felt (mining filtration). |
| 3005 | Waterjet, 70% Meta‑aramid – 30% Para‑aramid, 110 g/m² | Extra tear and cut resistance for protective clothing interlayers. |
| 3006 | Needle Punched, 100% Meta‑aramid, 300 g/m² | Very thick, rigid felt – high‑temperature furnace liner. |
Some of these codes may be manufacturer‑specific. If needed, contact the original manufacturer.
Firefighter Thermal Liners: 3000 or 3001 used as lightweight, comfortable liners. Waterjet structure wicks away perspiration.
Arc Flash Suits (electrical workers): Waterjet nonwovens (3000/3001) form a soft interlayer.
Welding Jackets and Sleeves: Waterjet linings preferred.
Metal Foundry and Glass Industry Heat‑Resistant Garments: Needle‑punched felts (3002) offer higher protection.
Baghouse Filter Bags (cement plants, asphalt plants): Needle‑punched meta‑aramid felts (3002) withstand 200–250 °C hot gases.
Industrial Dust Collection Systems (quarries, chemical plants): 3002‑type products.
High‑Temperature Air Filtration (drying ovens): 3000 and 3001 for finer particulates.
Engine Compartment Heat and Sound Insulation: Needle‑punched aramid felts around exhaust and turbochargers.
Racing Car Interior Fire Barriers: Lightweight waterjet nonwovens (3001) in seats and interior trims.
Public Transport Flame‑Retardant Curtains: Heavy felts like 3002.
Fire Insulation in Fuselage Cavities (aircraft, helicopters): Lightweight waterjet nonwoven (3001) – weight is critical.
Engine Surround Heat Shields: Needle‑punched felt (3002 – heavier grades).
Cargo Compartment Protection in fire suppression systems.
Wind Turbines – Generator and blade heat/flame protection: Waterjet nonwoven (3000).
Power Transmission Lines – Arc protection garment linings (3001).
Thermal and Nuclear Power Plants – Firestop felts for cable and pipe penetrations (3002).
Heat Insulation and Flame‑Retardant Layers in Military Camp Tents (3000).
Armoured Vehicle Interior Liners – Aramid nonwoven for post‑ballistic fire protection (3002).
Navy Vessels – Compartment fire insulation (needle punched).
Heavy‑Duty Fire Blankets: Heavy‑duty needle‑punched (3002 or higher weight).
Fire Protection Wrapping for Columns and Beams: Needle‑punched felt (3002) as a substrate under plaster or cladding.
Ventilation Duct Insulation: Outer protection for high‑temperature air ducts (3000).