Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色和浇铸，选择具有更大硬度范围，低磨损，优越承载能力聚酯替代橡胶是明智。

This paper introduces the aggregate of lightweight mollite and the characters of its blended castable as well as the practical use of this castable in steel rolling furnace.

介绍了轻莫来石及用配制轻莫来石浇注能，并介绍了浇注在轧钢加热炉上应用情况。