Product Model: Teflon PCB Material: Teflon laminate Quality Standard: IPC6012 Class II / Class III Dielectric Constant: 2.0~3.5 Layer Count: 2–34 layers Board Thickness: 0.1mm–12mm Copper Thickness: Base copper 0.5oz, finished copper 1oz Surface Finish: Immersion Gold, ISIG Special Features: High-precision RF wiring; customized DK and DF material parameters Application: Microwave & high-frequency PCB scenarios