Description

Polyarylate Fibers are high-performance synthetic fibers known for their exceptional thermal stability, chemical resistance, and mechanical strength. These properties make them a critical material for demanding industrial applications where traditional polymers fail. Key industries that rely on this advanced material include aerospace, automotive, and high-temperature filtration.

Application

• High-Temperature Filtration Media: Used in baghouse filters for power plants and cement kilns due to excellent thermal and chemical resistance.
• Protective Apparel: Manufacture of firefighter gear, welding blankets, and other heat-resistant clothing.
• Composite Reinforcement: As a reinforcing fiber in thermoplastic and thermoset composites for automotive and aerospace components.
• Electrical Insulation: Production of high-temperature wire and cable insulation, slot liners, and motor components.
• Industrial Seals and Gaskets: Used in applications requiring long-term stability against aggressive chemicals and heat.
• Advanced Technical Textiles: For applications in expansion joints, heat shields, and other engineered fabric systems.

Basic Information

Product Name	Polyarylate Fibers
CAS No.	308069-75-2
Molecular Formula	(C14H10O4)n
Molecular Weight	Polymer (Contact for details)
Synonyms	Polyarylate Fiber; Aromatic Polyester Fiber; PAR Fiber; Poly(oxy-1,4-phenylenecarbonyl-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,3-phenylene) Fiber; Vectran® (Trade Name); High-Performance Polyarylate Fiber; Heat-Resistant Polyarylate Fiber
EINECS	Contact for details

Quality Control

Our Polyarylate Fibers are produced under a stringent quality management system. Each batch undergoes rigorous testing for key parameters including fiber denier, tensile strength, thermal stability (LOI), and chemical composition to ensure consistent performance and reliability. Certificates of Analysis (COA) documenting these specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids, strong bases, and organic solvents. The material is hygroscopic (moisture-sensitive); ensure the original packaging is sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to Off-White Filament / Staple Fiber
Fiber Denier	1.5 - 20.0 dtex (Customizable)
Tensile Strength	> 20 cN/dtex
Elongation at Break	3 - 8 %
Limiting Oxygen Index (LOI)	> 30 %
Continuous Use Temperature	Up to 180°C
Moisture Regain	< 0.5 %
Identification (IR)	Conforms to Standard

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