The TMM10 from Rogers Corporation is a Laminate with Dk (Dielectric Constant) 10, Df (Dissipation Factor) 0.0022, Td 425 °C, Thickness Inches 0.015" (0.381mm), 0.020" (0.508mm), 0.025" (0.635mm), 0.030" (0.762mm), 0.050" (1.270mm), 0.060" (1.524mm), 0.075" (1.905mm), 0.100" (2.540mm), 0.125" (3.175mm), 0.150" (3.810mm), 0.200" (5.080mm), 0.250" (6.350mm), 0.275" (6.985mm), 0.300" (7.620mm), 0.5, Thermal Coeffecient 21 ppm/°C. More details for TMM10 can be seen below.