| About |
|---|
| Two ranges of HSBC based Evoprene™ TPE compounds have been created for the Automotive Industry, both specially formulated to have very low fogging characteristics suitable for automotive interior applications. Evoprene™ LF grades meet the requirements of the Reflectance Fogging test according to SAE J1756 whilst the Evoprene™ GF grades satisfy the DIN 75201B Gravimetric Fogging standard. Different automotive makers prefer different methods. All these Evoprene™ compounds are based on the well established hydrogenated styrene block copolymer (HSBC) TPE technology which offers a great blend of performance and processing characteristics to both automotive designers and processors alike. All grades can be injection moulded or extruded on standard thermoplastics equipment – full details are available in our Evoprene™ processing guides. Compounds can be formulated at various levels of UV resistance, depending on where in the vehicle the parts are to be used. Whilst they are normally supplied as natural for masterbatching, or black, Evoprene™ LF and GF compounds can be colour matched to specific automotive requirements when produced in longer compound runs. Heat ageing tests demonstrate these compounds are thermally stable to well beyond the maximum and minimum temperatures recorded in cars and trucks.&& |
| Product Description | |
|---|---|
| Generic | SBC |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Excellent Processability,Low to No Fogging,Block Copolymer,Heat Stabilized |
| Availabilitys | North America,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.840 to 0.940 | g/cm³ | ISO 1183 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile Set（70℃，1320 min） | 45 | % | Internal Method |
| tensile strength | |||
| MD, yield | 6.20 | MPa | ISO 37 |
| MD, 100% strain | 2.80 | MPa | ISO 37 |
| Tensile strain | |||
| MD, fracture | 550 | % | ISO 37 |
| tear strength | ISO 34-1 | ||
| TD | 33 | kN/m | ISO 34-1 |
| MD | 17 | kN/m | ISO 34-1 |
| Compression deformation | ISO 815 | ||
| 23℃，72 hr | 20 | % | ISO 815 |
| 70℃，24 hr | 33 | % | ISO 815 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 15 seconds | 47 | ISO 868 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -60.0 | ℃ | ASTM D746 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| The rate of change in tensile strength in air (100 ℃, 1000 hr) | 17 | % | ISO 188 |
| Change in Tensile Strain at Break in Air（100℃，1000 hr） | 4.0 | % | ISO 188 |
| The rate of change of Shore hardness in air | |||
| Shore A, 100 ℃, 1000 hr | 1.0 | ISO 188 | |
| Durable to continuous maximum temperature | |||
| 3 hr | 150 | ℃ | |
| Change in Length in Air | -1.0 | % | ISO 188 |
| Change in Volume in Air | -1.9 | % | ISO 188 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Burning rate | 42 | mm/min | |
| Fogging（Reflectance） | 61 | % | SAE J1756 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Odor Rating（Dry） | 2.00 | Multiple Standards | |
| Ozone resistance | 0.00 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. VDA 675 217B |
| 3. 20 in/min |
| 4. Method Ba, Angle (Unnicked) |
| 5. 150+/- 50 air changes/hour |
| 6. No distortion |
| 7. 3h heat @ 121°C, 21°C cooling plate, post test conditioning 1h & 16h |
| 8. SAE J1351 / FLTM BO131-01 |
| 9. 100 pphm/200 hr/ 20% strain |
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