Description

Nylon 6/9 is a high-performance, semi-crystalline polyamide copolymer known for its excellent balance of mechanical properties and chemical resistance. This engineering plastic is particularly valued for its lower moisture absorption compared to Nylon 6 or Nylon 6/6, leading to superior dimensional stability in humid environments. It is a critical material for manufacturers in the automotive, electrical, and industrial sectors seeking durable components that perform reliably under stress and exposure to various chemicals.

Application

• Automotive Components: Used in under-the-hood parts, fuel system components, and connectors due to its heat and chemical resistance.
• Electrical & Electronics: Ideal for insulating films, wire jacketing, and coil bobbins where consistent dielectric properties are required.
• Industrial Monofilaments: Employed in the production of bristles, fishing lines, and sewing threads for its toughness and flexibility.
• Packaging Films: Serves as a high-barrier layer in flexible packaging for food and medical products.
• Mechanical Parts: Manufactured into gears, bearings, and seals that demand low friction and high wear resistance.
• Consumer Goods: Found in appliance components, tool housings, and sporting goods for its durability and finish.

Basic Information

Product Name	Nylon 6/9
CAS No.	27136-65-8
Molecular Formula	(C12H23N3O2)n
Molecular Weight	~ 225.33 (monomer unit)
Synonyms	Poly(hexamethylene azelaamide); Polyamide 69; PA 69; Nylon 69; Poly(N,N'-hexamethyleneazelaamide); Azelaic acid-hexamethylenediamine copolymer; 6/9-Nylon; Ultramid® (specific grades)
EINECS	Contact for details

Quality Control

Our Nylon 6/9 is produced under a stringent quality management system. Each batch is tested against key parameters including intrinsic viscosity, melting point, moisture content, and residual monomer levels to ensure consistent performance. Certificates of Analysis (COA) detailing these specifications are provided with every shipment. We can supply grades compliant with various international standards, including FDA regulations for food contact applications, 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). This material is hygroscopic (moisture-sensitive); keep the original packaging sealed until use to prevent moisture uptake, which can affect processing and final properties.

Specification

Item	Specification
Appearance	White to off-white pellets or granules
Melting Point (DSC)	185 - 215 °C
Moisture Content	< 0.1 %
Relative Viscosity (1% in H2SO4)	2.2 - 3.0
Tensile Strength (Yield)	60 - 80 MPa
Elongation at Break	50 - 300 %

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