Nylon 66 (PA 6/6) is a semi-crystalline thermoplastic polyamide created by condensation polymerization of hexamethylenediamine and adipic acid, offering a balance of stiffness, impact resistance, and chemical durability. It is widely used in automotive (fuel tanks, air intake manifolds, under-hood clips), electrical/electronics (connectors, switch housings, circuit board components), and consumer goods (textiles, zippers, brush bristles) where moderate temperature service and repeated flexing are common. Engineers select nylon 66 over alternatives like nylon 6 for its higher melting point, better dimensional stability, and superior creep resistance, while favoring it over glass-filled variants when lower cost and injection moldability outweigh the need for maximum rigidity.
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2 interactive curves for this material
Stress-strain, S-N fatigue and environmental knockdown curves are free with an account.
Create free account| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Poisson's Ratio(ν) | 0.3900 | - | — | — | |
Stress–Strain Curve(σ–ε) | Curve (8 pts) | Pa | 20°C | ||
Yield Strength (0.2% offset)(σy) | 82.00 | MPa | — | — | |
Young's Modulus(E) | 3.300 | GPa | — | — | |
Young's Modulus vs Temperature(E(T)) | Curve (5 pts) | Pa | — |
2 interactive curves for this material
Stress-strain, S-N fatigue and environmental knockdown curves are free with an account.
Create free account| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Specific Heat Capacity(Cp) | 1.700 | J/(kg·K) | — | — | |
Specific Heat vs Temperature(Cp(T)) | Curve (5 pts) | J/(kg·K) | — | ||
Thermal Conductivity(k) | 0.2600 | W/(m·K) | — | — | |
Thermal Conductivity vs Temperature(k(T)) | Curve (5 pts) | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 1.140 | kg/m³ | — | — |