... 4)Application:Plastic Welding 1.Specification Product NameTitanium mould for Plastic Welding machines usingMaterialPure or Alloy TitaniumGradeGr1,Gr2,Gr3,Gr4Frequency coverage15KHZ-100KHZSizesDiameter ... 1-1:15Connection screwas per your requestSurfacepolished, blackened finished, etcShapeLadder, round, Exponential, etcApplicationChemical, Petroleum, Plastic Welding, Turning ,Cleaning machine2. ...