Welding Butts, also known as welding tubes, are disposable wire guides for the clamping of stranded metallic wires when butt welding , to be removed by destructive means after welding. The material can either be of glass, graphite or ceramics, among which ceramics, particularly Mullite ceramics, is the favored choice.

   The Merits of Mullite                                 

                                      High resistance to thermal shock
                                      High dielectric strength
                                      Low fracture toughness
                                      Low cost

          The Part Numbers of COSMOS Welding Butts in Mullite and their corresponding bore diameter " D " are listed below:

                         

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