Lossy foam for fitting absorbers to chamber corners

PPG C-RAM^® Corner Block is a carbon loaded urethane foam material used to fit anechoic chamber materials, such as PPG C-RAM SFC, into the corners and edges of the chamber. These products meet all of the fire retardancy requirements of NRL Specification 8093.

PPG C-RAM^® Corner Block is custom made to each anechoic chamber job, and is available in almost any dimension. Cuming Microwave engineers can help you specify materials for a chamber application, and can recommend specific configurations of corner blocks.

Generally, the block is as thick as the base of the absorber piece butted next to it, and as wide as the height of the absorber facing it. For example, a 3 in. x 18 in. x 24. in piece would be used when blocking SFC-18’s in a corner.