| About |
|---|
| Celanex 3309HRLM is a non-lubricated, 30% fiberglass reinforced Polybutylene Terephthalate which has excellent hydrolysis resistance, mechanical properties and processability. It is a lasermarkable grade available in a black color to mark white The grade is specially formulated to yield crisp marks when subjected to a Nd:YAG laser or equivalent operated at 1064nm or 532nm. Lasers operating in the UV region (355nm) may yield different results&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Hydrolysis stability,Laser engraving |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.55 | g/cm³ | ISO 1183 |
| Shrinkage rate | |||
| MD | 0.30 | % | ISO 294-4 |
| TD | 0.70 | % | ISO 294-4 |
| Water absorption rate | |||
| 23℃，50% RH | 0.07 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| 23℃ | 135 | MPa | ISO 527-2 |
| Tensile strain | |||
| Fracture, 23 ℃ | 2.7 | % | ISO 527-2 |
| Tensile modulus | |||
| 23℃ | 9200 | MPa | ISO 527-2 |
| bending strength | |||
| 23℃ | 210 | MPa | ISO 178 |
| Bending modulus | |||
| 23℃ | 8900 | MPa | ISO 178 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 225 | ℃ | ISO 75-2/Bf |
| 1.8 MPa, annealed | 208 | ℃ | ISO 75-2/Af |
| Melting temperature | 225 | ℃ | ISO 11357-3 |
| Glass transition temperature | 60.0 | ℃ | ISO 11357-2 |
| Vicat Softening Temp | |||
| B50 | 220 | ℃ | ISO 306 |
| Linear coefficient of thermal expansion | |||
| MD | 2.5E-5 | 1/℃ | ISO 11359-2 |
| TD | 1.0E-4 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volumetric resistance | > 1.0E+15 | Ω.cm | IEC 60093 |
| Surface resistance | > 1.0E+15 | Ω.cm | IEC 60093 |
| Insulation strength | |||
| 31 | KV/mm | IEC 60243-1 | |
| Dielectric constant | |||
| 23℃ | 4.10 | 1 MHz | IEC 60250 |
| Dissipation factor | |||
| 23℃ | 0.02 | 1 MHz | IEC 60250 |
| Compared to the leakage tracing index | 425 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| – | HB | UL-94 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | |||
| 23℃ | 46 | kJ/m² | ISO 179/1eU |
| -30℃ | 45 | kJ/m² | ISO 179/1eU |
| Charpy Notched Impact Strength | |||
| 23℃ | 6.5 | kJ/m² | ISO 179/1eA |
| Impact strength of cantilever beam notch | |||
| 23℃ | 7.0 | kJ/m² | ISO 180-1A |
| 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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