Engineering Thermoplastic
PA66 — Polyamide 6,6 (Nylon)
PA66 (Nylon 66) is a high-performance semi-crystalline polyamide offering excellent mechanical strength, stiffness, and thermal stability. Glass-fiber reinforced grades are common in structural automotive and industrial applications.
PA66PA 6/6Nylon 66ZytelUltramidRadilonVydyne
Manufacturers
5
Grades
5
Applications
6
Equivalents
3
Physical Properties
- Density
- 1.14 g/cm³
- Water Absorption (24h)
- 1.2 %
- Transparency
- Opaque
- Shrinkage
- 1.5 – 2.0 %
Mechanical Properties
- Young's Modulus
- 3.0 GPa (dry)
- Tensile Strength
- 80 MPa
- Flexural Strength
- 110 MPa
- Impact Strength (Izod)
- 50 J/m
- Elongation at Break
- 60 %
Thermal Properties
- Melting Point
- 255 – 265 °C
- Glass Transition Temperature
- 70 °C
- Continuous Service Temperature
- 100 – 120 °C
- Heat Deflection Temperature
- 75 °C (unfilled)
Electrical Properties
- Dielectric Constant
- 4.0
- Volume Resistivity
- 10¹² Ω·cm
Chemical Resistance
- Acids
- Poor
- Bases
- Good
- Alcohols
- Good
- Oils & Fuels
- Excellent
- UV Resistance
- Fair
Sustainability
- Recyclability
- Recyclable
- Recycling Code
- 7
- Bio-based Content
- 0 – 100 % (bio grades)
- Carbon Footprint
- ~7.4 kg CO₂e / kg
Manufacturing compatibility
Injection MoldingExtrusionCNC Machining3D Printing (specialty)
Applications
Gears & bushings
Automotive intake manifolds
Cable ties
Electrical connectors
Textile fibers
Bearings
Available grades
PA66 GF15PA66 GF30PA66 GF50PA66 FRPA66 Impact Modified