| 摘要 |
<p>A polyolefin-coated steel material, in particular, one excellent in the resistances to impact, flaw and abrasion due to drifts of sand and so forth, and usable in steel structures. The invention material comprises an undercoated steel material and, formed on the surface thereof, a modified polyolefin resin layer and a polyolefin resin layer, and is characterized in that the polyolefin resin layer is further covered with a fiber cloth laminated with a modified polyolefin resin.</p> |
