| About |
|---|
| UV Stabilized Medium Viscosity Acetal Homopolymer with Very Low Emissions&& |
| Product Description | |
|---|---|
| Supplier | DuPont |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Low odor |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| IMPACT | Nominal value | Unit | Test method |
| Charpy Notched Impact Strength | |||
| 23℃ | 7.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 250 | kJ/m² | ISO 179/1eU |
| 23℃ | 270 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 94.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, unannealed | 160 | ℃ | ISO 75-2/B |
| Melting temperature | 178 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| TD | 1.1E-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 |
|---|---|---|---|
| Burning rate | |||
| 1 mm | < 100 | mm/min | ISO 3795 |
| FMVSS flame retardant rating | B | FMVSS 302 | |
| atomization | ISO 6452 | ||
| F-value（refraction） | 80 | % | ISO 6452 |
| G-value（condensate） | 2.0E-4 | g | ISO 6452 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| discharge | < 2.00 | mg/kg | VDA 275 |
| Odor | 6.00 | VDA 270 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3200 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 73.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| yield | 15 | % | ISO 527-2 |
| Nominal tensile fracture strain | 30 | % | ISO 527-2 |
| Bending modulus | 3100 | MPa | ISO 178 |
| bending strength | |||
| 3.50% strain | 85.0 | MPa | ISO 178 |
| Poisson’s ratio | 0.37 | ISO 527 | |
| Rockwell hardness | ISO 2039-2 | ||
| M-level | 92 | ISO 2039-2 | |
| R-level | 121 | ISO 2039-2 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.42 | g/cm³ | ISO 1183 |
| Melt Flow Rate | 15 | g/10min | ISO 1133 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 13.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.9 | % | ISO 294-4 |
| MD | 2.0 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃, 2.00 mm | 1.2 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH, 2.00 mm | 0.20 | % | ISO 62 |
| Melt density | 1.16 | g/cm³ |
| Process Conditions | |||
|---|---|---|---|
| injection | 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 | 200 to 210 | °C | |
| Melt Temperature, Optimum | 205 | °C | |
| Mold temperature | 80 to 100 | °C | |
| Mold Temperature, Optimum | 90 | °C | |
| Hold pressure | 80.0 to 100 | MPa | |
| Drying Recommended | yes | ||
| Hold Pressure Time | 8.00 | s/mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
| 3. FMVSS 302 |
| 【 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. |