| About |
|---|
| Celanex 4306 is a 30% glass reinforced, toughened, low warpage thermoplastic polyester.&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Low warping,Good flexibility,High impact resistance,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.50 | g/cm³ | ASTM D792 |
| Density | 1.50 | g/cm³ | ISO 1183 |
| Melt Flow Rate | 10 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.40 to 0.60 | % | ISO 294-4 |
| MD | 0.40 to 0.60 | % | ASTM D955 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 11 | kJ/m² | ISO 179/1eA |
| 23℃ | 12 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 45 | kJ/m² | ISO 179/1eU |
| 23℃ | 60 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | |||
| 23℃ | 12 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 164 | ℃ | ISO 75-2/A |
| 1.8 MPa, unannealed | 209 | ℃ | ASTM D648 |
| 0.45 MPa, annealed | 223 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 210 | ℃ | ISO 75-2/B |
| Melting peak temperature | 225 | ℃ | ASTM D3418 |
| Melting temperature | 225 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| TD | 8.7E-5 | 1/℃ | ISO 11359-2 |
| MD | 2.0E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | 19 | kV/mm | ASTM D149 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 9200 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| Fracture, 23 ℃ | 121 | MPa | ASTM D638 |
| fracture | 120 | MPa | ISO 527-2/1A/5 |
| Tensile strain | |||
| Fracture, 23 ℃ | 3.0 | % | ASTM D638 |
| fracture | 2.9 | % | ISO 527-2/1A/5 |
| Bending modulus | |||
| 23℃ | 8500 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 180 | MPa | ISO 178 |
| Rockwell hardness | |||
| M-level | 73 | ISO 2039-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 to 130 | °C | |
| Drying time | 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Proposed maximum recycled material ratio | 25 | % | |
| Hopper temperature | 20 to 50 | °C | |
| Barrel rear temperature | 230 to 240 | °C | |
| Barrel middle temperature | 235 to 250 | °C | |
| Barrel front temperature | 235 to 250 | °C | |
| Nozzle temperature | 250 to 260 | °C | |
| Processing (melt) temperature | 235 to 260 | °C | |
| Mold temperature | 65 to 93 | °C | |
| Injection speed | Moderate-Fast | ||
| Back pressure | 0.00 to 0.345 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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