| 摘要 |
A multi-layer sheet structure, in an exemplary embodiment, includes a first layer of a thermoplastic olefin (TPO) composition that includes polypropylene and a filler, and a second layer that includes a polyolefin composition. The second layer positioned over at least a portion of the first layer. The multi-layer sheet structure also includes a third layer that includes an adhesive, and a fourth layer that includes a transparent acrylic composition. The third layer is between the second layer and the fourth layer. |
