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Harmonized Tariff Schedule (2026 HTS Revision 23 (11/10/2026))

Heading	Duty(general)	Duty(china)	Article Description	Compare Code
3818.00.00	Free	The duty provided in the applicable subheading + 25%	Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics	--
3818.00.00.10	Free	The duty provided in the applicable subheading + 25%	Gallium arsenide wafers, doped	vs-38180000
3818.00.00.20	Free	The duty provided in the applicable subheading + 25%	Polycrystalline silicon wafers, doped	vs-3818000010
3818.00.00.30	Free	The duty provided in the applicable subheading + 25%	Silicon carbide wafers, doped Monocrystalline silicon wafers, doped:	vs-3818000020
3818.00.00.40	Free	The duty provided in the applicable subheading + 25%	Round (circular) shaped, as described in statistical note 2 to this chapter	vs-3818000030
3818.00.00.45	Free	The duty provided in the applicable subheading + 25%	Pseudo-square or rectangular in shape, as described in statistical note 3 to this chapter	vs-3818000040
3818.00.00.50	Free	The duty provided in the applicable subheading + 25%	Other	vs-3818000045
3818.00.00.91	Free	The duty provided in the applicable subheading + 25%	Other	vs-3818000050