TDK manufactures both the ferrite tile and the engineered foam absorber
TDK offers unique advantages over competing products:
TDK absorber is the original polystyrene based material and is
impervious to water and humidity.
Carbon and fire retardant properties will not wash out or leach
out of the absorber if exposed to water or high humidity.
Our polystyrene absorber does not deteriorate when exposed to the
Competitive absorbers tend to react with environmental moisture and
various chemicals over time, which causes degradation of the
substrate, and eventual loss of carbon (i.e., carbon falls out of
the absorber and performance declines).
TDK absorbers have a proven performance record for
TDK backs the absorber with an extended warranty for both
mechanical stability and electrical performance. TDK backs this
warranty with nearly forty (40) years of internally and
independently verified empirical data.
Polystyrene absorber is dimensionally stable. It will not expand
and contract in many varying environments and it will not “droop”,
“twist”, or “sag” over time.
Carbon is dispersed more evenly in polystyrene absorber (by nature
of the manufacturing process). This means better impedance matching
with ferrite tile and more predictable and repeatable performance
from very low frequencies to very high frequencies (40GHz+).
TDK manufactures all of its own
absorbers, meaning TDK has better control over quality and delivery
schedules. To our knowledge, TDK's absorber manufacturing facility
is the only ISO 9001 and ISO 14001 certified facility in the world
for production of this type of material.
TDK absorber meets NRL Class 1,2,3, UL94HBF, UL94-5VB, and DIN
4102 Class B flammability specifications as well as ASTM standards.
TDK absorber is the only material that is listed by Underwriters
Laboratory for EMC and Antenna evaluation test chambers.