Product Model: RT/duroid 5880 High Frequency Board Material: Rogers RT/duroid 5880 Layer Count: 2 Layers Dielectric Constant (DK): 2.2 Dielectric Thickness: 1.548mm Finished Thickness: 1.65mm Thermal Conductivity: 0.2 W/m·K Volume Resistivity: 2×10⁷ Surface Resistivity: 2×10⁷ Copper Specification: Base 0.5oz, Finished 1oz Surface Treatment: Immersion Silver