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Formula: PES
Form: Rod
Material: Polyethersulfone (PES)
Commodity: Polymers
PES Rods are available in 38 variations, with a choice of multiple diameters and lengths. Made from polyethersulfone, they offer excellent chemical resistance, thermal stability, and mechanical strength. PES rods are used across scientific research and industrial manufacturing applications requiring precision machined parts that can withstand high temperatures, stresses and harsh chemicals. Our range of PES rod options allows customers to select the optimal size and properties for their specific application needs.
Tolerances
Rod
| Diameter | +20% / -10% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good-Poor |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good-Fair |
| Halogenated Hydrocarbons | Good |
| Halogens | Fair-Poor |
| Ketones | Good |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 3.7 |
| Dissipation factor @ 1MHz | 0.003 |
| Dielectric strength( kV mm⁻¹ ) | 16 |
| Volume resistivity( Ohmcm ) | 10¹⁷ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | V-0 @ 0.4mm |
| Radiation resistance | Good-Fair |
| Refractive index | 1.65 |
| Resistance to Ultra-violet | Fair |
| Limiting oxygen index( % ) | 34-41 |
| Water absorption - equilibrium( % ) | 2.2 |
| Water absorption - over 24 hours( % ) | 0.4-1 |
| Density( gcm⁻³ ) | 1.37 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Rockwell | M88 |
| Poisson's ratio | 0.4 |
| Elongation at break( % ) | 40-80 |
| Tensile modulus( GPa ) | 2.4-2.6 |
| Izod impact strength( J m⁻¹ ) | 85 |
| Abrasive resistance - ASTM D1044( mg/1000 cycles ) | 6 |
| Tensile strength( MPa ) | 70-95 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 260 |
| Heat-deflection temperature - 1.8MPa( C ) | 203 |
| Lower working temperature( C ) | -110 |
| Upper working temperature( C ) | 180-220 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.13-0.18@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 55 |
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