SANTOPRENE™ 121-70B265 by Celanese is a black thermoplastic vulcanizate (TPV) combining a low coefficient of friction with good bonding and adherence to TPV and EPDM rubber. It is weather- and UV stabilized.
- Offers good flowability, excellent processability due to high shear-thinning behavior for injection molding of complex geometries and excellent surface aesthetics.
- It has good flowability and low friction retention after heat aging without surface bleeding.
- It is specially formulated to replace thermoset EPDM rubber in automotive glass run channel (GRC).
- It possesses shorter processing cycle time compared to thermoset EDPM rubber.
- SANTOPRENE™ 121-70B265 is designed for corner molding and end cap of automotive extruded weather seals.
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SANTOPRENE™ 121-70B265 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Compression Set | 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 |
| Tear Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Hardness, Shore | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
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| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
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| Brittleness Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
SANTOPRENE™ 121-70B265 Processing Guidelines
Injection Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
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| Drying Time, (Dehumidified Dryer) | Visible After Login | Visible After Login | |
Injection Molding Processing Guidelines
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