| 摘要 |
<p>A lightly colored thermoplastic composition, suitable for fabrication into panels or sheets, and having high weatherability, comprises: (a) 100 parts by weight of polyolefin elastomer; (b) 15 to 130 parts by weight of crystalline or partially crystalline polyolefin; (c) 30 to 240 parts by weight of chalk and/or siliceous chalk; (d) 0.5 to 20 parts by weight of titanium dioxide; and, optionally, (e) up to 40 parts by weight of bitumen and/or mineral oil; and (f) up to 15 parts by weight of lubricant.</p> |
