AlSi27 Product Description AlSi27 carrier plate replacing Al6061 and Copper in PCBs(metal-clad laminate) for high frequency application; AlSi27 cover lids replacing Kovar in optoelectronic industry. AlSi27 T/R modules replacing Kovar and Cu-Mo in RF/microwave,millimeter wave industry. Applications Telecom; Optoelectronic Industry; RF/microwave; Millimeter Wave Field Advantages CTE matching to PCB laminate; High stiffness; Readily machinable,plateable,weldable; Alloy Density g/cm³ CTE 25℃ ppm/℃ Thermal Conductivity 25℃ W/m.K Elastic Modulus GPa AlSi27 2.6 17 175 91 Si% Poisson’s Ratio Elongation % Tensile Strength MPa Yield Strength MPa 27% 0.29 3.8 170 130