| About |
|---|
| Lubricated High Viscosity Acetal Homopolymer with Low Wear and Low Friction Developed for Food Contact Applications&& |
| Product Description | |
|---|---|
| Supplier | DuPont |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Low coefficient of friction,Food contact compliance,Lubricating,Good wear resistance,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.40 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 2.5 | g/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.8 | % | |
| MD | 2.0 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3000 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 70.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| yield | 18 | % | ISO 527-2 |
| Nominal tensile fracture strain | 45 | % | ISO 527-2 |
| Bending modulus | 2800 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 7.0 | kJ/m² | |
| 23℃ | 9.0 | kJ/m² | |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 170 | kJ/m² | |
| 23℃ | 250 | kJ/m² | |
| Impact strength of cantilever beam notch | |||
| 23℃ | 8.0 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 163 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 97.0 | ℃ | ISO 75-2/A |
| Melting temperature | 178 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | ISO 11359-2 | ||
| MD | 1.1E-4 | 1/℃ | |
| TD | 1.1E-4 | 1/℃ |
| Flammability level | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.800 mm | HB | ||
| Flame retardant level | |||
| 1.50 mm | HB |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
| 3. FMVSS 302 |
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