Polyimide Fiber

Short Description:


Product Overview: 

Polyimide fiber is a high-performance fiber with excellent thermal stability, mechanical properties, and radiation resistance. Its molecular structure contains stable imide ring structures, enabling it to maintain outstanding performance stability even in extreme environments. It is renowned as the "golden fiber".

Product Detail

Product Tags

Key Features: 

1. Exceptional Heat Resistance

 - Long-term service temperature: -269℃~+350℃

 - Instantaneous temperature resistance up to 500℃+

 - Maintains excellent mechanical properties at high temperatures

2. Outstanding Mechanical Properties

 - Strength: ≥3.5 cN/dtex

 - Modulus: ≥80 cN/dtex

 - Elongation at break: 15%~30%

3. Excellent Chemical Stability

 - Resistant to most organic solvents

 - Resistant to strong acids and alkalis

 - Hydrolysis and UV resistant

4. Superior Functional Characteristics

 - Limiting Oxygen Index: 38%~42%

 - Low smoke, non-toxic, good self-extinguishing properties

 - Excellent radiation resistance



Application Fields: 

1. High-temperature Filtration Materials

  - High-temperature flue gas filtration in cement, steel, and power industries

  - Corrosive gas filtration in chemical industry

2. Special Protective Clothing

  - Firefighting suits, welding protective clothing, military training uniforms

  - Protective clothing for aerospace applications

3. Advanced Composite Materials

  - Structural reinforcement materials for aerospace

  - Reinforcement fiber for high-performance brake pads

4. Electrical Insulation Materials

  - Class H, Class C motor insulation materials

  - Reinforcement materials for high-frequency circuit substrates

5. Safety Protection Products

  - Flame retardant decorative fabrics

  - Safety blankets, fire curtains


Processing Guidelines: 

1. Spinning Processing

  - Recommended relative humidity: 60%±5%

  - Appropriately reduce spinning speed to minimize static electricity

2. Weaving Process

  - Appropriately reduce warp and weft density

  - Use special heddles and reeds

3. Heat Setting Treatment

  - Setting temperature: 280℃~320℃

  - Time: 30-90 seconds

4. Dyeing Recommendations

  - Suitable for disperse dyes, cationic dyes

  - Dyeing temperature: 120℃~130℃



Contact us for samples and detailed technical information

Extreme Performance, Beyond Limits


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