| About |
|---|
| A low hardness, black color, multi-purpose thermoplastic elastomer featuring good compression set and moderate temperature performance. ValuPrene 45A BK can be processed by extrusion for applications such as weatherstrip profile, seals, and window gaskets. Attributes: ValuPrene 45A BK is designed for applications requiring sealing performance at moderate temperatures. Suitable for profile extrusion. Conventional thermoplastic processing equipment can be used. Applications: ValuPrene 45A BK has good sealing property, chemical, weathering resistance and electrical property that is suitable for TPV, thermoset EPDM rubber, Styrene based TPE, flexible PVC and other TPE applications. It is a good choice for applications requiring flexibility in the following markets: automotive parts, appliance, construction, consumer products, and electronics.&& |
| Product Description | |
|---|---|
| Supplier | Lee Chang Yung |
| Generic | TPV |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good flexibility,Good Electrical Properties,Good Compression Set,Low Hardness,Baking,Heat Resistance, Good,Solvent resistance |
| Availabilitys | North America,Asia Pacific |
| Process Methods | Profile extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.938 | g/cm³ | ISO 1183 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 15 seconds, injection molding | 48 | ISO 868 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 23 ℃ | 5.00 | MPa | ISO 37 |
| 100% strain, 23 ℃ | 1.60 | MPa | ISO 37 |
| Tensile strain | |||
| Fracture, 23 ℃ | 610 | % | ISO 37 |
| tear strength | |||
| 23℃ | 19 | kN/m | ISO 34-1 |
| Compression deformation | |||
| 23℃，22 hr | 17 | % | |
| 70℃，22 hr | 36 | % |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Melting temperature | 150 | ℃ | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| Squeeze description | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 80 to 90 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Barrel 1 zone temperature | 170 | °C | |
| Barrel 2 zone temperature | 180 | °C | |
| Barrel 3 zone temperature | 190 | °C | |
| Barrel 4 zone temperature | 200 | °C | |
| Barrel 5 zone temperature | 210 | °C | |
| Melt temperature | 170 to 210 | °C | |
| Nozzle temperature | 210 | °C | |
| Traction roller | 20 to 50 | °C | |
| Extruder screw length to diameter ratio L / D | >20.0:1.0 | ||
| Extruder screw compression ratio | 2.5:1.0 to 3.0:1.0 | ||
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 20 in/min |
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