A low cost polyurethane paving materials were produced by studying compositions and ratio of polyurethane elastomer admixture.
通过研究聚氨酯弹性体的组成及配比，制备了低成本聚氨酯铺装材料。
The results showed that the flame-retardant property of polyurethane paving materials was enhanced obviously by using complex flame-retardant agent system.
研究结果表明采用复合阻燃体系可显著提高聚氨酯铺装材料的阻燃性能。
This paper studies and discusses the thermal behaviour of paving materials on basic tests of laboratory and experimental road pavement on Qing-Zang Highway.
本文是在青藏公路试验路面和实验室室内路面材料试验的基础上对路面材料的热学特性作了一些研究和讨论。
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