| About |
|---|
| High Viscosity Acetal Homopolymer Developed for Food Contact Applications&& |
| Product Description | |
|---|---|
| Supplier | DuPont |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | High Viscosity,Food contact compliance,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.42 | g/cm³ | ISO 1183 |
| Melt Flow Rate | 2.4 | g/10min | ISO 1133 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 1.90 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 2.0 | % | ISO 294-4 |
| MD | 1.8 | % | ISO 294-4 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 9.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 12 | kJ/m² | ISO 179/1eA |
| Impact strength of cantilever beam notch | |||
| 23℃ | 10 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 97.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, unannealed | 165 | ℃ | ISO 75-2/B |
| Melting temperature | 178 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| TD | 1.0E-4 | 1/℃ | ISO 11359-2 |
| MD | 1.1E-4 | 1/℃ | ISO 11359-2 |
| annealing temperature | 160 | ℃ | |
| annealing time | |||
| Optional | 30.0 | min/mm |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | HB | UL 94 | |
| Burning rate | |||
| 1 mm | < 100 | mm/min | ISO 3795 |
| Flammability level | |||
| 1.5 mm | HB | IEC 60695-11-10, -20 | |
| FMVSS flame retardant rating | B | FMVSS 302 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| discharge | < 8.00 | mg/kg | VDA 275 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3100 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 72.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| yield | 22 | % | ISO 527-2 |
| Nominal tensile fracture strain | 40 | % | ISO 527-2 |
| Bending modulus | 2900 | MPa | ISO 178 |
| Rockwell hardness | ISO 2039-2 | ||
| M-level | 94 | ISO 2039-2 | |
| R-level | 122 | ISO 2039-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 80 | °C | |
| Drying time – hot air dryer | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.20 | % | |
| Processing (melt) temperature | 210 to 220 | °C | |
| Melt Temperature, Optimum | 215 | °C | |
| Mold temperature | 80 to 100 | °C | |
| Mold Temperature, Optimum | 90 | °C | |
| Hold pressure | 90.0 to 110 | MPa | |
| Drying Recommended | yes | ||
| Hold Pressure Time | 8.00 | s/mm | |
| Drying temperature | 75 to 85 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.20 | % | |
| Melt temperature | 195 to 205 | °C | |
| Extrusion Melt Temperature, Optimum | 200 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |