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Heading 7410

Copper foil (whether or not printed or backed with paper, paperboard, plastics or similar backing materials) of a thickness (excluding any backing) not exceeding 0,15 mm
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7410210055

  • Copper foil (whether or not printed or backed with paper, paperboard, plastics or similar backing materials) of a thickness (excluding any backing) not exceeding 0,15 mm
  • Backed
  • Of refined copper
  • Plates: - consisting of at least one layer of fibreglass fabric impregnated with epoxide resin, - covered on one or both sides with copper foil with a thickness of not more than 0,15 mm, - with a dielectric constant (DK) of less than 5,4 at 1 MHz, as measured according to IPC-TM-650 2.5.5.2, - with a loss tangent of less than 0,035 at 1 MHz, as measured according to IPC-TM-650 2.5.5.2, - with a comparative tracking index (CTI) of 600 or more

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