工艺： （低功率）铝合金加热板是由电阻丝（Cr20Ni80）为发热体，云母体为绝缘体，铝合金散热片被导热体，工艺加工而成。
用途： 用于开关柜除湿。
特点： 加热功率低，使用寿命长，绝缘性能好，散热效果好。
Technology: (low-power) aluminum alloy plate is heated by the resistance wire (Cr20Ni80) of fever, the mother-to-insulator, the thermal conductivity aluminum heat sink in, from processing.
Purpose: for switchgear dehumidification.
Features: low heating power, long life, good insulating properties, thermal effects.