摘要
分析了PVC-U排水管材户外老化影响因素,主要原因为PVC分子结构缺陷、紫外光老化、产品质量问题及环境污染。
The factors which affect the weathering resistance of unplasticized polyvinyl chloride (PVC-U) drainage pipe are analyzed.These involve molecular structure defects of PVC,UV aging, environmental pollution and product quality.
出处
《中国建材科技》
2013年第2期1-3,共3页
China Building Materials Science & Technology