裕太防爆专注于研发电加热器防爆电加热器电热管导热油炉的生产厂家

电热管百科

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电热管的组成及应用

电热管是以金属管为外壳(包括不锈钢、紫铜管),沿管内中心轴向均布螺旋电热合金丝(镍铬、铁铬合金)其空隙填充压实具有良好绝缘导热性能的氧化镁砂,管口两端用硅胶密封,这种金属铠装电热元件可以加热空气,金属模具和各种液体。

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