Acetal Copolymer
Product full identity:
Polyoxymethylene Copolymer / POM C
Acetal Copolymer has a wide operative temperature range of +105 to -40°C. This material also boasts a high surface strength that is matched by few materials. This material
also has good sliding properties, high resistance to wear and a low risk to cracking.
Properties
- Good strength and stiffness
- High dimensional stability
- Wide temperature range (+115 to -50 °C)
- Low moisture absorption
- Good sliding properties
- Food contact approved.
Applications
- Bearing
- Gear wheels
- Wear guides
- Locking systems.
Forms
- Sheet
- Rod
- Hollow rod
Technical Properties:
All information is for guide purposes only. The data has been taken from standard test results provided by our manufacturers.
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Specific gravity | g/cm³ | ISO 1183-1 | 1.41 |
| Water absorption till saturation 23°C | % | 0.80 | |
| Maximum service temp. Upper temp limit - Long term | °C | 100 | |
| Lower temp limit | °C | -50 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Tensile strength | MPa | ISO 527-1/-2 | 66 |
| Elongation at yield | % | ISO 527-1/-2 | 15 |
| Tensile strength at break | MPa | ISO 527-1/-2 | 40 |
| Unnotched Impact strength | kJ/m² | ISO 179-1/1eU | no break |
| Notch impact strength | kJ/m² | ISO 179-1/1eA | 8 |
| Ball indentation / Rockwell hardness | MPa | ISO 2039-2 | 84 |
| Flexural modulus of elasticity | MPa | ISO 178 | 2660 |
| Tensile modulus of elasticity | MPa | ISO 527-1/-2 | 3000 |
| Shore-D | ISO 868 | 79 | |
| Shore-D | ISO 868 | 79 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Volume resistivity | Ω x m | IEC 60093 | > 1014 |
| Surface resistivity | Ω | ANSI/ESD STM11.11 | > 1013 |
| Dielectric strength | kV/mm | IEC 60243-1 | 20 |
| Dielectric constant at 1MHz | IEC 60250 | 3.80 | |
| Dielectric loss factor at 1 MHz | IEC 60250 | 0.008 | |
| Dielectric constant at 1MHz | IEC 60250 | 3.80 | |
| Dielectric loss factor at 1 MHz | IEC 60250 | 0.008 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Heat deflection temperature HDT/B | °C | ISO 75-1/-2 | 100 |
| Coefficient of linear thermal expansion 23°C - 100°C | m/(m.K) | 125 x 10-6 | |
| Thermal conductivity at 23°C | W/mK | 0.31 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Food compliance - FDA | FDA | yes | |
| Food compliance - EU | EU 10/2011 (Natural & Blue) | on request | |
| Food compliance - FDA | FDA | yes | |
| Food compliance - EU | EU 10/2011 (Natural & Blue) | on request |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Fire performance | UL 94 | HB | |
| Fire performance | UL 94 | HB |
| Property | Unit | Test Method | Value |
|---|