| 摘要 |
The present invention provides a seal comprising an elastomeric composite, said composite comprising an elastomeric polymer and a negative thermal expansion (NTE) filler, the NTE filler has a coefficient of thermal expansion (CTE) lower than -6x10-6 K- 1 within a temperature range of 220-293 K and is present in an amount of 0.01 -50 volume% based on the total volume of the elastomcric composite at 20 °C. |
