| About |
|---|
| Product Description | |
|---|---|
| Supplier | Chang Chun |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Excellent Processability,Good Electrical Properties,Good wear resistance,Grease resistance,Solvent resistance |
| Availabilitys | Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30-1.32 | g/cm³ | ISO 1183 |
| Shrinkage rate | |||
| MD：1.6 mm | 0.12-0.18 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.060 | % | ASTM D570 |
| 23℃，24hr | 0.060 | % | ISO 62 |
| Extreme viscosity | 1.00±0.015 | dl/gr | ISO 1628 |
| End carboxyl group content | ≤50 | meq/kg | 滴定法 |
| Hue b value | ≤3 | 色差计 | |
| Color phase L value | ≥84 | 色差计 | |
| Melt index | |||
| 235℃ | 18-22 | g/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 87 | ASTM D785 | |
| Bending modulus | 2450 | MPa | ISO 178 |
| bending strength | 83.0 | MPa | ISO 178 |
| Insulation failure strength | |||
| 2mm | ≥20 | Kv/mm | ASTM D-149 |
| Tensile strain | ≥120 | % | ASTM D-638 |
| fracture | >120 | % | ISO 527-2 |
| melting point | 225 | ℃ | DSC |
| tensile strength | 500-600 | kg/cm | ASTM D-638 |
| yield | 55.0 | MPa | ISO 527-2 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 155 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 60 | ℃ | ISO 75-2/A |
| Melting temperature | 223-227 | ℃ | DSC |
| Linear coefficient of thermal expansion | |||
| MD | 0.000090 | cm/cm/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+13 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | |||
| 2 mm | 0.02 | kV/mm | ASTM D149, IEC 60243-1 |
| Dielectric constant | 3.30 | ASTM D150 | |
| Dissipation factor | 0.0010 | ASTM D150 | |
| Arc resistance | 120 | sec | ASTM D495 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 3.20 mm | HB | UL 94 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Izod notched impact strength | ≥5.0 | kg-cm/cm | ASTM D256 |
| Notes |
|---|
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