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 introduces the quality of asphalt pavement cold paving technique and analyzes the form, production process, production demand and construction technology of cold paving materials.
介绍了沥青路面冷补技术的性能特点，对沥青路面冷补材料组成、形成过程、生产要求和施工工艺作了详细的说明。
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