| About |
|---|
| Ultraform N 2640 Z6 UNC is an elastomer-modified injection molding POM grade with excellent impact strength. Applications Typical applications include toys components such as bicycle frames, automotive parts such as cladding elements and windshield wiper units, and clips, snap and fastening elements, and other components subject to impact stress.&& |
| Product Description | |
|---|---|
| Supplier | BASF |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | High impact resistance,Copolymer,HB |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.33 | g/cm³ | ASTM D792 |
| Density | 1.33 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 190℃，2.16 kg | 4.50 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| MD：3.2 mm | 1.9 | % | |
| TD | 1.6 | % | ISO 294-4 |
| MD | 1.6 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 1.1 | % | ISO 62 |
| saturated | 1.1 | % | ASTM D570 |
| Equilibrium, 23 ℃, 50% RH | 0.25 | % | ISO 62 |
| Balance, 50% RH | 0.25 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 1300 | MPa | ISO 527-2 |
| tensile strength | |||
| Yield, 23 ℃ | 37.0 | MPa | ISO 527-2 |
| Yield, 23 ℃ | 37.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Yield, 23 ℃ | 17 | % | ASTM D638 |
| Yield, 23 ℃ | 17 | % | ISO 527-2 |
| Nominal tensile fracture strain | |||
| 23℃ | > 50 | % | ISO 527-2 |
| Tensile Creep Modulus（1 hr） | 825 | MPa | ISO 899-1 |
| Tensile creep modulus | |||
| 1000 hr | 575 | MPa | ISO 899-1 |
| Bending modulus | |||
| 23℃ | 1320 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179 | ||
| -30℃ | 9.0 | kJ/m² | ISO 179 |
| 23℃ | 18 | kJ/m² | ISO 179 |
| Charpy Unnotch Impact strength | ISO 179 | ||
| -30℃ | No Break | ISO 179 | |
| 23℃ | No Break | ISO 179 | |
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -40℃ | 59 | J/m | ASTM D256 |
| 23℃ | 160 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 70.0 | ℃ | ISO 75-2/A |
| 1.8 MPa, unannealed | 71.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 129 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 130 | ℃ | ISO 75-2/B |
| Melting peak temperature | 166 | ℃ | ASTM D3418 |
| Melting temperature | |||
| DSC | 166 | ℃ | ISO 3146 |
| Linear coefficient of thermal expansion | |||
| MD | 8.0E-5 | 1/℃ | ASTM E831 |
| MD | 1.3E-4 | 1/℃ | |
| 1.5 mm | 50.0 | ℃ | UL 746 |
| 3.0 mm | 50.0 | ℃ | UL 746 |
| Relative temperature index | |||
| Electrical performance | UL 746 | ||
| Strength mechanical performance | UL 746 | ||
| Impact mechanical performance | UL 746 | ||
| 1.5 mm | 50.0 | ℃ | UL 746 |
| 3.0 mm | 50.0 | ℃ | UL 746 |
| 1.5 mm | 50.0 | ℃ | UL 746 |
| 3.0 mm | 50.0 | ℃ | UL 746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+12 | ohms | ASTM D257 |
| Surface resistivity | 1.0E+12 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+11 | ohms·cm | IEC 60093 |
| 1.50 mm | 1.0E+11 | ohms·cm | ASTM D257 |
| Dielectric strength | 36 | kV/mm | IEC 60243-1 |
| Dielectric constant | IEC 60250 | ||
| 100 Hz | 4.50 | IEC 60250 | |
| 1 MHz | 4.30 | IEC 60250 | |
| Dissipation factor | IEC 60250 | ||
| 100 Hz | 0.010 | IEC 60250 | |
| 1 MHz | 0.025 | IEC 60250 | |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 1.50 mm | HB | UL 94 | |
| 3.00 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 110 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.15 | % | |
| Processing (melt) temperature | 190 to 230 | °C | |
| Mold temperature | 60 to 120 | °C | |
| Injection pressure | 3.50 to 7.00 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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