An article of urethane foam, 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