An article of urethane foam, measuring 24" x 24" x 0.75", completely coated with carbon fibres The carbon fibres give the product its insulation properties. It is used to absorb any stray signals in an antenna or telecommunication product. It is a broadband radar absorber.

GENERAL RULES 1 AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE. THE HARMONISED SYSTEM EXPLANATORY NOTES TO SECTION XV CHAPTER 68 TEXT TO CODES 6815, , 6815 11 00 00