| About |
|---|
| Medium Viscosity Acetal Homopolymer with Improved Processing&& |
| Product Description | |
|---|---|
| Supplier | DuPont |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Excellent Processability |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.42 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 13.0 | cm³/10min | ISO 1133 |
| Water absorption rate | |||
| Saturation, 23 ℃, 2.00 mm | 0.9 | % | ISO 62 |
| Moisture absorption rate | |||
| Balance, 50% RH | 0.22 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 8.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 9.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 300 | kJ/m² | ISO 179/1eU |
| 23℃ | 340 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| -30℃ | 9.0 | kJ/m² | ISO 180-1A |
| 23℃ | 9.0 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa | 165 | ℃ | ISO 75-2 |
| 1.8 MPa | 100 | ℃ | ISO 75-2 |
| 1.8 MPa, annealed | 115 | ℃ | ISO 75-2 |
| Vicat Softening Temp | |||
| B50 | 160 | ℃ | ISO 306 |
| Melting temperature | 178 | ℃ | ISO 11357-3 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | >1E15 | ohms | IEC 60093 |
| Relative permittivity | |||
| 100 Hz，1 mm | 3.4 | IEC 60250 | |
| 1 MHz,1 mm | 3.3 | IEC 60250 | |
| Volume resistivity | 1E15 | ohms·cm | IEC 60093 |
| Dielectric strength | 32 | kV/mm | IEC 60243-1 |
| Dissipation factor | IEC 60250 | ||
| 1 mm，100 Hz | 100 | IEC 60250 | |
| 1 MHz，1 mm | 70 | IEC 60250 | |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 0.80 mm | HB | UL 94 | |
| 1.50 mm | HB | UL 94 | |
| 3.00 mm | HB | UL 94 | |
| Extreme oxygen index | 23 | % | ISO 4589-2 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3200 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 72.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| yield | 15 | % | ISO 527-2 |
| Tensile creep modulus | |||
| 1 hr | 2900 | MPa | ISO 899-1 |
| 1000 hr | 1100 | MPa | ISO 899-1 |
| Bending modulus | 3000 | MPa | ISO 178 |
| Rockwell hardness | ISO 2039-2 | ||
| R-level | 120 | ISO 2039-2 |
| Process Conditions | |||
|---|---|---|---|
| Processing conditions | Nominal value | Unit | Test method |
| Melting temperature range | 210-220 | ℃ | |
| Optimal melting temperature | 215 | ℃ | |
| Drying time | 2-4 | h | |
| drying temperature | 80 | ℃ | |
| Processing moisture content | <0.2 | % | |
| Processing pressure range | 80-100 | MPa | |
| Notes |
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