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近年来,苏联和其它许多国家在电工技术的各个领域内开始广泛使用复合材料。电取暖设备采用这种复合材料后,不仅可保持电取暖设备的各种优点,同时又可节省贵重的特种耐热金属和高电阻合金材料。这种复合材料加热器能使其有效部分均匀加热。以Рапит聚合导电材料做成的电热板已被研制出来。这科Рапит材料是一种在成分和工艺上与橡胶很相似的复合物。它的导电组分是采用牌号为ПМЭ-100B的工业炭,而以丁基橡胶作聚合粘合物。在大批
In recent years, the Soviet Union and many other countries have begun to make extensive use of composites in various fields of electrotechnics. Electric heating equipment using this composite material, not only to maintain the various advantages of electric heating equipment, while saving valuable special heat-resistant metal and high-resistance alloy materials. This composite heater enables uniform heating of its active part. Electric plates made of Рапит polymeric conductive material have been developed. This section Рапит material is a composition and process similar to the rubber compound. Its conductive component is made of industrial carbon with the brand name ПМЭ-100B and butyl rubber as a polymeric binder. In large quantities