1, we can produce any kinds of ceramic beads for heaters 2, mail end beads 2,femain end beads 1, we ... end beads2,femain end beadsCeramic pad heatersAll flexible ceramic pad heaters are constructed of 80/20 Nickel / Chrome Multi- strand wire ... alumina ceramic beads can be used for pre and post-heaters welding applications because of its excellent heat resistance..... Ceramic beads ...