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宝胜矿物绝缘电缆产品性能简介 一、产品适用性 铜芯铜护套氧化镁绝缘电缆，国外叫MI电缆，国内简称矿物绝缘电缆或防火电缆。首先由瑞士进行研究开发，法国1934年率先掌握了该产品的生产技术，英国、美国分别于1936年，1945年开始研制，苏联于1951年研制出三芯以下的铜芯铜护套氧化镁绝缘防火电缆，我国于1962年开始研制该产品用于核反应堆。由于该产品以前的研制是运用于军事工业中（如：核反应堆工作发送器、喷气发动机喷嘴的温度测量），加之该产品的生产制造工艺与传统工艺有明显的区别，所以产量很小，电力配线用铜芯铜护套氧化镁绝缘防火电缆，我国在八十年代才开始研究，近几年开始了工业试生产，但国内市场需要量 （未完，全文请
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