Polyimide fleece fabric is used as a thermal layer in sportswear such as mountaineering gear.

Polyimide fleece fabric is a high-performance velvety material made from short polyimide fibers, processed through non-woven carding and web formation, needle-punch reinforcement, and finally refined using specialized napping equipment.

1. Safe and warm, with exceptional lightweight design

At the same weight, its thermal performance far surpasses traditional fleece fabrics—so much so that it can make the wearer feel 4 to 6 degrees Celsius warmer. This remarkable warmth is thanks to the exceptionally low thermal conductivity of polyimide fibers, which effectively prevent heat from escaping. At the same time, its lightweight nature delivers an outstanding warmth-to-weight ratio, making it the ideal choice for crafting ultra-lightweight gear.

2. Inherently flame-retardant, safe and reliable

Polyimide fibers inherently possess "self-extinguishing" properties—thanks to their exceptionally stable molecular structure, they neither melt nor drip when exposed to fire, and can instantly self-extinguish once the flame is removed. Additionally, these fibers produce very low smoke levels during combustion, offering an exceptionally high level of fire safety. As a result, they are ideally suited for applications where stringent fire protection is essential.

3. Skin-friendly and comfortable, with a premium质感

Despite its powerful performance, it feels exceptionally soft to the touch, offering comfort that rivals even the finest cashmere. The fiber’s relatively low indentation pressure is well below the threshold at which human skin begins to feel itchy, making it highly skin-friendly and completely free of any irritating sensations.

4. Stable performance, diverse functionality

Worry-Free Moisture and Heat: With its low fiber moisture regain, this material retains exceptional warmth even in humid conditions—unlike down, which loses its insulating power when exposed to moisture.

Antimicrobial and Odor-Resistant: Its stable chemical structure is resistant to degradation by bacteria and mold, giving it innate antimicrobial and odor-resistant properties.

UV Resistance: Offers strong protection against ultraviolet rays.

Environmental stability: Resistant to high and low temperatures, chemical corrosion, and radiation, with consistently reliable performance, making it suitable for a wide range of extreme environments.

Polyimide fleece fabric is a high-performance material used in premium protective and outdoor gear, offering both exceptional warmth and inherently flame-retardant properties.

1. High-end Outdoor and Extreme Sports Equipment

High-performance thermal mid-layer: Serves as the core filling material for mountaineering gear, polar expedition wear, premium fleece jackets, and inner liners of outdoor冲锋 jackets. Its lightweight design and exceptional warmth efficiency significantly reduce backpack weight, enhancing athletic performance.

Thermal protection in humid environments: Unlike down, which loses its insulating ability when wet, polyimide fleece fabric maintains nearly unchanged thermal performance even in damp conditions—making it essential for extended activities in icy, snowy, or high-humidity settings.

Fire-resistant and Flame-Retardant Barrier: When encountering flying sparks or sudden sources of ignition in the wild, its inherent flame-retardant properties provide users with extra escape time and an added layer of safety assurance.

2. Professional Protective Equipment

Firefighting suit: The inner thermal layer of firefighters' protective gear designed for fire suppression. Traditional insulation materials pose significant risks in fire environments, whereas polyimide fleece fabric not only provides essential core warmth but is also inherently flame-retardant, dramatically enhancing firefighters' safety.

Industrial high-temperature workwear: For thermal positions in industries such as petroleum, chemical engineering, natural gas, and power generation—where workers may come into contact with high temperatures or potential fire sources—the built-in fleece layer can prioritize the use of polyimide material.

Specialized protective gear: Used to manufacture specialized cold-weather suits and flame-retardant liner garments for elite forces, armored units, air force personnel, and more. These items not only meet the critical need for warmth in extremely cold regions but also feature flame-retardant properties that significantly reduce the risk of burns in battlefield environments—such as inside vehicles or naval vessels.

Aerospace clothing: Serving as a thermal layer in astronaut suits and specialized aviation ground crew uniforms, it meets the demands for lightweight design, extreme temperature resistance, and flame retardancy.

3. Furniture and Baby Products

Furniture products: Used in high-end blankets, mattress fillers, sofa cushions, and other items requiring flame-retardant properties, offering a safe and comfortable choice for hotels and home settings alike.

High-end infant bedding and apparel: Featuring skin-friendly and safe materials, along with natural antibacterial and odor-resistant properties, these products are used to create premium baby sleeping bags, blankets, and close-fitting garments, providing infants and toddlers with a secure and comfortable sleep environment.

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