Product Technical Parameters: Minimum Hole Size 0.2mm Item Custom Circuit Board Insulation Materials FR4 TG150 1.6MM Package Vacuum Package Pcba Service SMD SMT DIP Component Assembly Minimum Line Space 4mil (0.1mm) Copper Thickness 3/2/2/3oz Standard Testing IPC Class 2 Solder Mask Color Green, Red, Blue, Black, White Applications: The Heavy Copper PCB, originating from China, is a specialized type of circuit board known for its thicker copper layers compared to standard