C-RAM: GDSS

High Loss Microwave Absorber (C-RAM: GDSS)

PPG C-RAM® GDSS is a thin, flexible, magnetically filled silicone rubber sheet stock.

PPG C-RAM GDSS is electrically non-conductive and it has a high dielectric strength.

In the UHF frequencies, PPG C-RAM FDSS will attenuate RF energy better; it has a different magnetic filler, which exhibits high loss tangents at lower frequencies.

Standard sheet size is 12 in. x 12 in. (305 mm x 305 mm). Standard thickness is 0.060 in. (1.52 mm).

PPG C-RAM® GDSS can be supplied in other sizes, thickness or per customer specified configurations upon request.

PPG C-RAM GDSS can also be supplied with a peel-and-stick pressure sensitive adhesive backing, order as GDSS/PPGA.

As a standard, The PPG C-RAM GDSS base material is silicone, but it can also be supplied in a urethane base version.


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Service temperature
  • 400°F
Shelf life
  • 5 yrs. Minimum Or 1 yr. if supplied with adhesive backing