Description

Polyimide Fibers represent a class of high-performance synthetic fibers renowned for their exceptional thermal stability, mechanical strength, and chemical resistance. These properties make them a critical material for advanced engineering applications where conventional materials fail. They are essential for manufacturers and R&D teams in the aerospace, electronics, and industrial filtration sectors seeking reliable, high-temperature solutions.

Application

• High-Temperature Filtration: Used in baghouse filters for hot gas filtration in power plants, cement kilns, and metal processing due to excellent thermal and chemical resistance.
• Thermal Protection Systems: Incorporated into thermal blankets, insulation, and protective clothing for aerospace and firefighting applications.
• Advanced Composites Reinforcement: Serves as a reinforcing fiber in high-performance composites for aircraft interiors, radomes, and lightweight structural components.
• Electrical Insulation: Utilized in high-temperature wire and cable insulation, motor slot liners, and flexible printed circuit boards.
• Industrial Seals and Gaskets: Manufactured into braided packings and compression seals for aggressive chemical and high-temperature environments.
• Specialty Textiles: Woven into fabrics for parachutes, sailcloth, and other demanding applications requiring high strength-to-weight ratio and durability.

Basic Information

Product Name	Polyimide Fibers
CAS No.	308070-20-4
Molecular Formula	(C22H10N2O5)n
Molecular Weight	Polymer (Varies by grade)
Synonyms	Polyimide Fiber; P84 Fiber; Aromatic Polyimide Fiber; Kermel Fiber (Type); High-Performance Polyimide Fiber; Thermally Stable Polyimide Fiber; PI Fiber; Poly(4,4'-oxydiphenylene pyromellitimide) Fiber
EINECS	Contact for details

Quality Control

Our Polyimide Fibers are manufactured under a stringent quality management system. Each batch is tested to ensure consistent performance in key parameters such as tensile strength, thermal stability, and denier. Certificates of Analysis (COA) detailing specific lot characteristics are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong alkalis and organic solvents. The material is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Golden Yellow Fiber
Fiber Type	Staple / Multifilament
Denier	1.5 - 3.0 dtex (Typical)
Tensile Strength	> 4.5 cN/dtex
Elongation at Break	30 - 40 %
Limiting Oxygen Index (LOI)	> 38 %
Continuous Use Temperature	Up to 260 °C
Ash Content	< 0.5 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.