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Formula: PA 66 - (C₁₂H₂₂N₂)ₙ
Form: Ball/Sphere
Material: Polyamide 66 (PA)
CAS Number: 32131-17-2
Commodity: Polymers
Type:
Precision Sphere
Nylon 66 Balls from Goodfellow's range of precision engineered balls come in 7 variations and can be customized. Made from nylon 66, they provide good mechanical strength, fatigue resistance, and chemical resistance. Typical uses for Nylon 66 Balls include automotive components, consumer products, and industrial machinery where lightweight, durable fasteners are needed. The combination of nylon's properties and precision manufacturing allows these balls to serve reliably in demanding environments.
Tolerances
Ball/Sphere
| Diameter | Standard | ±5% |
|---|---|---|
| Diameter | Precision | See Item |
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Poor |
| Acids - dilute | Poor |
| Alcohols | Good |
| Alkalis | Good-Fair |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good-Poor |
| Halogens | Poor |
| Ketones | Good |
Mechanical Properties
| Element | Value |
|---|---|
| Coefficient of friction | 0.2-0.3 |
| Hardness - Rockwell | M89 |
| Poisson's ratio | 0.41 |
| Elongation at break( % ) | 40 |
| Tensile modulus( GPa ) | 3.3 |
| Izod impact strength( J m⁻¹ ) | 40-110 |
| Abrasive resistance - ASTM D1044( mg/1000 cycles ) | 03-May |
| Tensile strength( MPa ) | 82 |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 3.4 |
| Dissipation factor @ 1kHz | 0.2 |
| Dielectric strength( kV mm⁻¹ ) | 25 |
| Surface resistivity( Ohm/sq ) | 10¹¹ |
| Volume resistivity( Ohmcm ) | 10¹³ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | HB |
| Radiation resistance | Fair |
| Refractive index | 1.53 |
| Resistance to Ultra-violet | Poor |
| Limiting oxygen index( % ) | 23 |
| Water absorption( % ) | 8.5 |
| Water absorption - equilibrium( % ) | 8 |
| Water absorption - over 24 hours( % ) | 2.3 |
| Density( gcm⁻³ ) | 1.14 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 200 |
| Heat-deflection temperature - 1.8MPa( C ) | 100 |
| Lower working temperature( C ) | -30 |
| Upper working temperature( C ) | 80-180 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1670 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.25@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 90 |
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