Page 122 - ELT_15th July 2020_Vol 373_Part 2
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E32 EXCISE LAW TIMES [ Vol. 373
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and specially designed for use in a. Specially designed to avoid
one of the processes specified by contamination; and
8C102.c.2. b. Specially designed for use in
one of the processes specified
by 8C102.c.2.
20. New Entry 8C101 Materials specially de- 8C101 Materials specially designed
and Tech- signed for absorbing electro- for absorbing electromagnetic radi-
nical Note magnetic radiation, or intrinsi- ation, or intrinsically conductive
added to cally conductive polymers, as polymers, as follows :
8C101.a. follows : a. Materials for absorbing fre-
a. Materials for absorbing quencies exceeding 2 x 108
frequencies exceeding 2 x Hz but less than 3 x 1012 Hz;
108 Hz but less than 3 x Note 1 : 8C101.a does not apply to :
1012 Hz;
Note 1 : 8C101. a does not apply
to :
a. Hair type absorbers, con- a. Hair type absorbers, constructed
structed of natural or syn- of natural or synthetic fibres,
thetic fibres, with non- with non-magnetic loading to
magnetic loading to provide provide absorption;
absorption; b. Absorbers having no magnetic
b. Absorbers having no magnet- loss and whose incident surface
ic loss and whose incident is non-planar in shape, includ-
surface is non-planar in ing pyramids, cones, wedges and
shape, including pyramids, convoluted surfaces;
cones, wedges and convoluted c. Planar absorbers, having all of
surfaces; the following :
c. Planar absorbers, having all 1. Made from any of the fol-
of the following : lowing :
1. Made from any of the a. Plastic foam materi-
following : als (flexible or non-
a. Plastic foam ma- flexible) with carbon-
terials (flexible or loading, or organic
non-flexible) with materials, including
carbon-loading, or binders, providing
organic materials, more than 5% echo
including binders, compared with metal
providing more over a bandwidth ex-
than 5% echo ceeding ± 15% of the
compared with centre frequency of
metal over a the incident energy,
bandwidth ex- and not capable of
ceeding ± 15% of withstanding tem-
the centre fre- peratures exceeding
quency of the in- 450 K (177°C); or
cident energy, b. Ceramic materials
and not capable of providing more than
withstanding 20% echo compared
temperatures ex- with metal over a
ceeding 450 K bandwidth exceeding
EXCISE LAW TIMES 15th July 2020 122

