astra77The Astra MT77 laminate materials from Isola have been desned for commercial RFmicrowave printed circuit desns. They feature a dielectric constant (Dk) that is stable between -40°CThe main parameters of Isola MT77: Tg=200 °C, Td=360 °C, Dk=3.00, Df=0.0017. Isola Astra MT77 is a low-loss FR-4 process-compatible PCB material