ASTM D2149-13 (R2021) pdf free download ASTM D2149-13 (R2021) pdf free download.Standard Test Method for Permittivity (Dielectric Constant) ... 12/14/2021ASTM Standards106Standard Test Method for Permittivity (Dielectric Constant) and Dissipation Factor of Solid Dielectrics at Frequencies to 10 MHz and Temperatures to 500 °CComments Read more