The increased packing density of components on the printed circuit boards leads to increasingly smaller conductor track spacings. Therefore, the CTI value in the base material data sheets gets more important. This is the index for tracking resistance.
Cylinder Bed Compound Feed (Auto-Lubrication) Sewing Machine As the diameter of linder bed is only 500mm,the machine is widely applied for sewing the curvatures and corners of leather, canvas, jeans and oxford products. multiple layers of ,materials up to