| About |
|---|
| Celanex 1700A is a very high molecular weight grade of unreinforced polybutylene terephthalate for injection molding and extrusion applications.&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Ultra high molecular weight |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.31 | g/cm³ | ISO 1183 |
| Shrinkage rate | |||
| MD | 1.9 | % | ISO 294-4 |
| TD | 1.9 | % | ISO 294-4 |
| Water absorption rate | |||
| 23℃，50% RH | 0.20 | % | ISO 62 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 150 | ℃ | ISO 75-2/Bf |
| 1.8 MPa, annealed | 50.0 | ℃ | ISO 75-2/Af |
| Melting temperature | 225 | ℃ | ISO 11357-3 |
| Glass transition temperature | 60.0 | ℃ | ISO 11357-2 |
| Vicat Softening Temp | |||
| Linear coefficient of thermal expansion | |||
| MD | 1.1E-4 | 1/℃ | ISO 11359-2 |
| TD | 9.2E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volumetric resistance | 1.0E+13 | Ω.cm | IEC 60093 |
| Surface resistance | > 1.0E+15 | Ω.cm | IEC 60093 |
| Insulation strength | |||
| 22 | KV/mm | IEC 60243-1 | |
| Dielectric constant | |||
| 23℃ | 3.60 | 1 MHz | IEC 60250 |
| Dissipation factor | |||
| 23℃ | 0.02 | 1 MHz | IEC 60250 |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.75mm | HB | UL-94 | |
| 1.50mm | HB | UL-94 | |
| 3.00mm | HB | UL-94 | |
| Extreme oxygen index | 22 | % | ISO 4589-2 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | |||
| 23℃ | 220 | kJ/m² | ISO 179/1eU |
| Charpy Notched Impact Strength | |||
| 23℃ | 7.5 | kJ/m² | ISO 179/1eA |
| -30℃ | 7.0 | kJ/m² | ISO 179/1eA |
| Impact strength of cantilever beam notch | |||
| 23℃ | 5.5 | kJ/m² | ISO 180-1A |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | 72 | M 级 | ISO 2039-2 |
| tensile strength | |||
| 23℃ | 60.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| Fracture, 23 ℃ | > 50 | % | ISO 527-2 |
| Tensile modulus | |||
| 23℃ | 2500 | MPa | ISO 527-2 |
| bending strength | |||
| 23℃ | 80.0 | MPa | ISO 178 |
| Bending modulus | |||
| 23℃ | 2200 | MPa | ISO 178 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 -130 | °C | |
| Drying time | 4.0 | Hr | |
| Water content | 0.02 | % | |
| Injection temperature | |||
| Rear barrel temperature | 230-240 | °C | |
| Central temperature of the barrel | 235-250 | °C | |
| Barrel front temperature | 235-250 | °C | |
| Die temperature | 250-260 | °C | |
| Mold temperature | 65-95 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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