astra77ASTRA® MT77 laminate materials exhibit exceptional electrical properties which are very stable over a broad frequency and temperature range. Astra MT77 is suitable for many of ’sAstra® MT77 Ultra Low Loss, RFMW Laminate and Prepreg Tg 200°C Td 360°C Dk 3.00 Df 0.0017 IPC-4103 17 UL - File Number E41625 Astra® MT77 materials are a breakthrough,