Polyacetal sheets and POM-C Polyacetal sheets and POM-C Polyacetal sheets and POM-C
Polyacetal Sheets (POM-C)
Discover the excellence of Polyacetal sheets, also known as POM-C, renowned for their quality under pressure and exceptional strength and stiffness. These sheets boast high rigidity (up to -40 °C) and outstanding thermal stability. With low water absorption and superior dimension stability, POM-C sheets demonstrate impressive electrical insulation and exceptional sliding properties.
POM-C Polyacetal sheets exhibit remarkable resistance to solvents and an unparalleled ability to withstand stress cracks.
Key Features:
- Mechanical strength and hardness characterize Polyacetal sheets
- Enjoy excellent elasticity and durability, showcasing elastic memory
- High impact strength, even in low-temperature environments
- Remarkable dimensional stability throughout processing
- Exceptional sliding properties and wear resistance
- Easy workability and good electrical properties
- POM-C Polyacetal sheets are inherently self-lubricating
- Minimal water absorption ranging from 0.2% to 0.8%
- Physiologically inert, making them suitable for the food industry
- UV resistance adds to their longevity*
Applications:
Polyacetal sheets find utility in various industries, including engineering, transport, conveyor technology, packaging machines, paper handling, precision mechanical components, the food industry, automotive sector, electrical engineering, household appliances, and medical equipment.
Ideal for manufacturing:
- Spring components
- Bushings
- Gears
- Cam discs (eccentric)
- Ratchet mechanisms
- Sliding components
- Electrical insulators
- Valves
- Major precision components
- Various components and details designed for prolonged underwater use at temperatures ranging from 60-80 °C.
Mechanical Properties
| MECHANICAL PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| Tensile strength at yield | 57 | MPa | 50mm/min | DIN EN ISO 527-2 |
| Tensile strength | 57 | MPa | 50mm/min | DIN EN ISO 527-2 |
| Modulus of elasticity (tensile test) |
2900 | MPa | 1mm/min | DIN EN ISO 527-2 |
| Notched impact strength (Charpy) | 4 | kJ/m2 | max. 2J | DIN EN ISO 179-1eA |
| Elongation at break | 15 | % | 50mm/min | DIN EN ISO 527-2 |
| Flexural strength | 82 | MPa | 2mm/min, 10 N | DIN EN ISO 178 |
| Modulus of elasticity (flexural test) |
2700 | MPa | 2mm/min, 10 N | DIN EN ISO 178 |
| Compression strength | 30 | MPa | 1% / 2% | EN ISO 604 |
| Ball indentation hardness | 141 | MPa | ISO 2039-1 | |
| Compression modulus | 2300 | MPa | 5mm/min, 10 N | EN ISO 604 |
| Impact strength (Charpy) | 56 | kJ/m2 | max. 7,5J | DIN EN ISO 179-1eU |
| Elongation at yield | 11 | % | 50mm/min | DIN EN ISO 527-2 |
Thermal Properties
| THERMAL PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| Service temperature | 100 | C | long term | NN |
| Service temperature | 140 | C | short term | NN |
| Glass transition temperature | -60 | C | DIN EN ISO 11357 | |
| Melting temperature | 168 | C | DIN EN ISO 11357 |
Electrical Properties
| ELECTRICAL PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| surface resistivity | 1014 | O | Silver electrode, 23°C, 12% r.h. | DIN IEC 60093 |
| volume resistivity | 1013 | O*cm | Silver electrode, 23°C, 12% r.h. | DIN IEC 60093 |
Other Properties
| OTHER PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| Water absorption | 0.1 | % | 24h / 96h (23°C) | DIN EN ISO 62 |
| Resistance to hot water/ bases | (+) | – | – | |
| Resistance to weathering | – | – | – | |
| Flammability (UL94) | HB | – | corresponding to | DIN IEC 60695-11-10; |
