There is interest from China to create a second method to include testing at higher frequencies. They have a method in their system that they want to be placed in D4935. They have been informed that ASTM will require copyright permissions.
Keywordselectromagnetic shielding; far field; near field; shielding; shielding effectiveness (SE); Semi-conducting materials; Shielding effectiveness; Ceramic materials--electrical/electronic devices; Composites--conducting/nonconducting materials; Conductance and conductivity (electrical)--insulating materials; Effectiveness; Electrical insulating plastics; Electrical resistance/resistivity--insulating materials; Electromagnetic shielding effectiveness; Graphite; Metals and metallic materials; Nonmetallic materials; Planar materials; Polymers--electrical insulation applications;
Ballot Item Approved as D4935-2018 and Pending Publication