VI. Products of the chemical or allied industries·HS 28·Inorganic chemicals

HS6

2815.20

Potassium hydroxide

氢氧化钾

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Common synonyms

potassium hydroxide

caustic potash

KOH

氢氧化钾

苛性钾

Tariff across 13 jurisdictions

Country	Full code	MFN	FTA	Source	Verified
USUnited States	2815.20.00.00	3.0%	USMCA: 0%, Korea-US: 0%	USITC	2026-05-15
CNChina	2815209000	5.0%	RCEP: 0%, ASEAN-China: 0%	GACC	2026-05-12
EUEuropean Union	2815200000	5.0%	EU-UK TCA: 0%, EU-VN: 0%	EU	2026-05-10
UKUnited Kingdom	2815200000	5.0%	EU-UK TCA: 0%, CPTPP: 0%	UK	2026-05-10
JPJapan	281520000	3.0%	RCEP: 0%, CPTPP: 0%	Japan	2026-05-08
KRSouth Korea	2815200000	6.0%	RCEP: 0%, Korea-China: 0%	KCS	2026-05-06
INIndia	28152000	7.5%	ASEAN-India: 0%	CBIC	2026-05-05
AUAustralia	2815200000	5.0%	RCEP: 0%, CPTPP: 0%	ABF	2026-05-04
CACanada	2815200000	Free	—	CBSA	2026-05-04
MXMexico	28152000	10.0%	USMCA: 0%, CPTPP: 0%	TIGIE	2026-04-30
BRBrazil	28152000	7.0%	Mercosur: 0%, EU-Mercosur: 0%	Mercosur	2026-04-28
VNVietnam	28152000	6.0%	RCEP: 0%, CPTPP: 0%	Vietnam	2026-04-25
THThailand	28152000000	5.0%	RCEP: 0%, ASEAN-China: 0%	Thailand	2026-04-25

Additional duties and compliance

IN

India

Social Welfare Surcharge (10% of BCD)0.8%

MX

Mexico

Customs Processing Fee (DTA)0.8%

BR

Brazil

PIS/COFINS-Import (combined)9.3%