| About |
|---|
| Riteflex 640A is a thermoplastic polyester elastomer with nominal shore D hardness of 40 and medium-low modulus.&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | TPEE |
| Material Status | Commercial: Active |
| Features | HB |
| Availabilitys | North America,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.15 | g/cm³ | ASTM D792 |
| Specific volume | 0.882 | cm³/g | ASTM D792 |
| Density | 1.13 | g/cm³ | ISO 1183 |
| Melt Flow Rate | 8.0 to 12 | g/10 min | ASTM D1238 |
| 220℃，2.16kg | 10 | g/10min | ISO 1133 |
| Shrinkage rate | |||
| MD | 1.2 to 1.4 | % | ISO 294-4 |
| MD | 1.0 | % | ASTM D955 |
| Shear | 1000 | 1/℃ | Internal Method |
| viscosity | 351 | Pa·s | Internal Method |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | 126 | kN/m | ASTM D624 |
| Basho’s elasticity | 59 | % | ASTM D2632 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | No Break | ISO 179/1eA | |
| 23℃ | No Break | ISO 179/1eA | |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | No Break | ISO 179/1eU | |
| 23℃ | No Break | ISO 179/1eU | |
| Notched impact strength of cantilever beam | ISO 180/1U | ||
| -30℃ | No Break | ISO 180/1U | |
| 23℃ | No Break | ISO 180/1U |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 56.0 | ℃ | ISO 75-2/B |
| Embrittlement temperature | -78.0 | ℃ | ISO 974 |
| Glass transition temperature | -65.0 | ℃ | ASTM D3418 |
| Vicat Softening Temp | 136 | ℃ | ASTM D1525 |
| Melting peak temperature | 180 | ℃ | ASTM D3418 |
| Melting temperature | 170 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD | 2.2E-4 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 3.0E+15 | ohms | IEC 60093 |
| Volume resistivity | 5.0E+12 | ohms·cm | ASTM D257 |
| Volume resistivity | 5.0E+12 | ohms·cm | IEC 60093 |
| Dielectric strength | 12 | kV/mm | ASTM D149 |
| Dielectric strength | 13 | kV/mm | IEC 60243-1 |
| Relative permittivity | |||
| 1 MHz | 4.70 | IEC 60250 | |
| Dissipation factor | |||
| 1 MHz | 0.030 | IEC 60250 | |
| Compared to the leakage tracing index | > 600 | V | ASTM D3638 |
| Compared to the leakage tracing index | > 600 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | HB | UL 94 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | 110.3 | kN/m | ASTM D1004 |
| MD | 84 | kN/m | ISO 34-1 |
| Temperature | 220 | ℃ | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore D, 15 seconds | 40 | ISO 868 | |
| Shaw’s D | 40 | ASTM D2240 | |
| Tensile modulus | 75.0 | MPa | ISO 527-2/1A/1 |
| 23℃ | 92.4 | MPa | ASTM D638 |
| tensile strength | |||
| Fracture, 23 ℃ | 20.7 | MPa | ASTM D638 |
| fracture | 17.0 | MPa | ISO 527-2/1A/50 |
| 5% strain | 3.00 | MPa | ISO 527-2 |
| 10% strain | 5.00 | MPa | ISO 527-2 |
| 50% strain | 8.00 | MPa | ISO 527-2/1A/50 |
| Tensile strain | |||
| Fracture, 23 ℃ | 480 | % | ASTM D638 |
| fracture | > 300 | % | ISO 527-2/1A/50 |
| Bending modulus | ISO 178 | ||
| -40℃ | 115 | MPa | ISO 178 |
| 23℃ | 70.0 | MPa | ISO 178 |
| bending strength | ISO 178 | ||
| 3.50% strain | 3.00 | MPa | ISO 178 |
| 23℃ | 5.00 | MPa | ISO 178 |
| Taber abraser | |||
| 1000 cycles, CS-18 wheel | 90.0 | mg | ASTM D4060 |
| Ross Twist Test | > 1.0E+6 | Cycles | Internal Method |
| Durometer | 40.0 | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 100 to 110 | °C | |
| Drying time | 4.0 | hr | |
| Recommended maximum moisture content | 0.050 | % | |
| Hopper temperature | 20 to 50 | °C | |
| Barrel rear temperature | 160 to 180 | °C | |
| Barrel middle temperature | 170 to 200 | °C | |
| Barrel front temperature | 170 to 200 | °C | |
| Nozzle temperature | 170 to 205 | °C | |
| Processing (melt) temperature | 170 to 205 | °C | |
| Mold temperature | 20 to 55 | °C | |
| Injection speed | Moderate-Fast | ||
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. 10°C/min |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |