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Formula: LDPE
Form: Rod
Material: LDPE
CAS Number: 9002-88-4
Commodity: Polymers
Our LDPE Rods are available in a range of 129 variations. With properties like chemical inertness and electrical insulation, this versatile thermoplastic is used across scientific research and industrial applications. Example uses include electrical wire insulation, chemical piping and tubing, 3D printing filament, and custom machined parts and prototypes. With many diameter and length combinations, our LDPE Rods provide the flexibility to suit diverse application requirements.
Tolerances
Rod
| Diameter | +20% / -10% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good-Fair |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Fair-Poor |
| Greases and Oils | Good-Fair |
| Halogenated Hydrocarbons | Fair-Poor |
| Halogens | Fair-Poor |
| Ketones | Good-Fair |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 2.2-2.35 |
| Dissipation factor @ 1MHz | 1-10x 10⁻⁴ |
| Dielectric strength( kV mm⁻¹ ) | 27 |
| Surface resistivity( Ohm/sq ) | 10¹³ |
| Volume resistivity( Ohmcm ) | 10¹⁵-10¹⁸ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | HB |
| Radiation resistance | Fair |
| Refractive index | 1.51 |
| Resistance to Ultra-violet | Poor |
| Limiting oxygen index( % ) | 17 |
| Water absorption - over 24 hours( % ) | 0.015 |
| Density( gcm⁻³ ) | 0.92 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Rockwell | D41-46 - Shore |
| Elongation at break( % ) | 400 |
| Tensile modulus( GPa ) | 0.1-0.3 |
| Izod impact strength( J m⁻¹ ) | 1000 |
| Tensile strength( MPa ) | May-25 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 50 |
| Heat-deflection temperature - 1.8MPa( C ) | 35 |
| Lower working temperature( C ) | -60 |
| Upper working temperature( C ) | 50-90 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1900-2300 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.33@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 100-200 |