We offer the following six different versions:
HR-10 foam, which absorbs frequencies above 30 ghz click for documentation of HR foam
AN-72 foam, which absorbs frequencies above 20 ghz click here for documentation for AN foam
HR-25 foam, which absorbs frequencyes above 10 ghz click for documentation of HR foam
AN-73 foam, which absorbs frequencies above 7.5 ghz click here for documentation for AN foam
AN-74 foam, which absorbs frequencies above 3.5 ghz click here for documentation for AN foam
AN-75 foam, which absorbs frequencies above 2 ghz click here for documentation for AN foam
To be useful, all foam must be backed on the other side by conductive metal, like a chassis box or aluminum tape. We cut this foam to our standard size of (approximately) 6" x 6" (15cm x 15cm). Cost is $0.20 per square inch, or $US6 for our 6" x 6" standard piece. If you need larger sizes, ask and we might be able to provide what you want.