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介绍一种用于生产聚氨酯泡沫夹克管保温层的新材料聚酯聚醚，报道选用这种材料生产泡沫夹克管的工艺及工要工艺参数和产品达到的技术指标及现场应用情况。
This paper introduces a kind of new material polyester polyether which is used to produce the thermal insulation layer of polyurethane foam jacket pipe. It reports the process and technical parameters of the foam jacket tube made of this material and the technical index and field application of the product.