Customs Import Tariff of Taiwan · CCC code · HS 3815.90
3815.90.19.00: Other catalytics
Other catalytic preparations
✓ Can be used in a customs declaration Data: Customs Import Tariff of Taiwan, in force from 24 April 2025 · checked on 24 October 2026
What you pay
Importing into Taiwan
Customs duty only: import VAT, other taxes and trade defence duties of this country are not covered here, and the duty calculator works only with the EU, Türkiye, US and UK tariffs.
Same subheading in other tariffs
3815.90 Reaction initiators, reaction accelerators and catalytic: other
UK Free – 6% Third-country duty 16 tariff lines · average 5.6% 
EU Free – 6.5% Third-country duty 2 tariff lines · average 3.3% 
Türkiye Free – 6.5% Third-country duty 2 tariff lines · average 3.3% 
USA Free – 6.5% General (MFN) 4 tariff lines · average 3.6% 
Canada Free General (MFN) 1 tariff line 
Mexico Free – 5% General (MFN) 4 tariff lines · average 1.3% 
Brazil Free – 10.8% General (MFN) 5 tariff lines · average 3.6% 
Argentina Free – 10.8% General (MFN) 8 tariff lines · average 3.6% 
Peru Free General (MFN) 1 tariff line 
New Zealand Free General (MFN) 2 tariff lines 
Japan Free – 3.9% General (MFN) 4 tariff lines · average 2.1% 
GCC 5% General (MFN) 2 tariff lines 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia Free General (MFN) 2 tariff lines 
Nigeria 10% General (MFN) 1 tariff line Taiwan lines: 3815.90
Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N316688 U.S. CBP
The tariff classification of cationic photoinitiators from Mexico
- N295074 U.S. CBP
The tariff classification of LESA 74070 and LESA 74071 from Canada or Mexico
- H279271 U.S. CBP
Application for Further Review of Protest No. 5309-15-100058; Nebula 20
- N282368 U.S. CBP
The tariff classification of “NC-25” from Japan Correction to Ruling Number N281144
9 rulings in total for this code
Legal notes
In the Customs Import Tariff of Taiwan, 3815.90.19.00 is one of 3 lines under subheading 3815.90, reaction initiators, reaction accelerators and catalytic: other.
The column 1 rate is 1%, and quantities are declared in KGM.
For the same subheading, the UK duty is 0%–6%, the EU duty is 0%–6.5%, the Türkiye duty is 0%–6.5%, the US duty is 0%–6.5%, the Canada duty is free, the Mexico duty is 0%–5%, the Brazil duty is 0%–10.8%, the Argentina duty is 0%–10.8%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 0%–3.9%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 10%.
Taiwan imported goods of subheading 3815.90 worth US$126m in 2024; the largest supplier was the United States, and the United Kingdom ranked 4th with US$7m.
Questions and answers
What is the Taiwan import duty for CCC code 3815.90.19.00?
The column 1 rate in the Customs Import Tariff of Taiwan is 1%; the supplementary unit is KGM. This page shows the rate as published by the national source and, where the source publishes them, preferential rates: choose the country of origin to see them. Trade defence duties and VAT are not covered.
Where does Taiwan import these goods from?
For subheading 3815.90 as a whole, the largest supplier in 2024 was the United States (US$37m), followed by Japan.