Telcar® OBC 4660A is an translucent, general purpose, thermoplastic elastomer (TPE). Exhibits good mechanical properties, surface haptics & feel like rubber, excellent thermal performance in harsh environments (including acids, bases and chlorine), excellent resiliency, ductility and a long life in exterior, high UV and ozone weathering applications. Possesses elastomeric properties of vulcanized rubber and yet can be melt-processed and easily fabricated. Provides good processability, faster output, lower cost and recyclability. It can be processed by profile extrusion, sheet extrusion, wire & cable extrusion, thermoforming and injection molding. Used in automotive interior parts & exterior parts like trim, weather-stripping, grommets and blow molding applications.
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Telcar® OBC 4660A properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Compression Set | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Compression Set | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Compression Set | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness, Shore A | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |
Telcar® OBC 4660A Processing Guidelines
Extrusion Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Cylinder Zone 1 Temp. | Visible After Login | Visible After Login | |
| Cylinder Zone 2 Temp. | Visible After Login | Visible After Login | |
| Cylinder Zone 3 Temp. | Visible After Login | Visible After Login | |
| Cylinder Zone 5 Temp. | Visible After Login | Visible After Login | |
| Die Temperature | Visible After Login | Visible After Login | |
| Screw speed | Visible After Login | Visible After Login | |
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Back Pressure | Visible After Login | Visible After Login | |
| Cushion (range) | Visible After Login | Visible After Login | |
| Front Temperature | Visible After Login | Visible After Login | |
| Injection Pressure | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Middle Temperature | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |
| Nozzle Temperature | Visible After Login | Visible After Login | |
| Rear Temperature | Visible After Login | Visible After Login | |
| Screw Speed | Visible After Login | Visible After Login | |

