... ASTM D1505 g/cm3 1.42 3. Tensile strength IPC-TM-650 Method 2.4.19 Mpa ≥180 4. Elongation % ... ASTM D257 > 1 x 1014 9. Dielectric constant IPC-TM-650 Method 2.5.5.3(1MHz) 3.4 10 ... . Dissipation factor 0.0018 11. Dimensional Stability IPC TM 650, Method 2.2.4A % ≤0.25 12. Coefficient ... of thermal expansion Ppm/°C27 13. Moisture absorption IPC-TM-650,Method2.6.2 % 2.5 14. Flammability UL- ...