Acetal MD
Product full identity:
Polyoxymethylene Metal Detectable / POM MD
This copolymer Acetal grade material, is specifically tailored for use in the food processing and packaging industries. Acetal MD provides good mechanical strength, stiffness and impact strength and it is also food compliant.
Properties
- Metal detectable
- High dimensional stability
- Wide temperature range (+115 to -50°C)
- Low moisture absorption
- Good sliding properties
- Food contact approved.
Applications
- Detection of metal parts within the food
processing and packaging industries.
Forms
- Sheet
- 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 | 1.46 |
| Water absorption till saturation 23°C | % | 0.75 | |
| Maximum service temp. Upper temp limit - Long term | °C | 90 | |
| Lower temp limit | °C | -30 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Tensile strength | MPa | ISO 527-1/-2 | 66 |
| Elongation at yield | % | ISO 527-1/-2 | 14 |
| Unnotched Impact strength | kJ/m² | ISO 179-1/1eU | 70 |
| Notch impact strength | kJ/m² | ISO 179-1/1eA | 5 |
| Ball indentation / Rockwell hardness | MPa | ISO 2039-1/2039-2 | M86 |
| Flexural modulus of elasticity | MPa | ISO 178 | 2800 |
| Tensile modulus of elasticity | MPa | ISO 527-1/-2 | 2950 |
| Tensile strength at break | % | ISO 527-1/-2 | 15 |
| Shore-D | ISO868 | 80 | |
| Shore-D | ISO868 | 80 | |
| Shore-D | ISO868 | 80 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Volume resistivity | Ω x m | IEC 62631-3-1 | > 1012 |
| Surface resistivity | Ω | ANSI/ESD STM11.11 | > 1012 |
| 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) | 130 | |
| 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 | yes | |
| Food compliance - FDA | FDA | yes | |
| Food compliance - EU | EU 10/2011 | yes | |
| Food compliance - FDA | FDA | yes | |
| Food compliance - EU | EU 10/2011 | yes |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Fire performance | UL 94 | HB | |
| Fire performance | UL 94 | HB | |
| Fire performance | UL 94 | HB |
| Property | Unit | Test Method | Value |
|---|