Working Tariff Document of New Zealand · tariff item · HS 3816.00
3816.00.20.10: Refractory cements and mortars: Dolomite
Refractory cements and mortars
✓ Can be used in a customs declaration Data: Working Tariff Document of New Zealand, in force from 24 October 2026 · checked on 24 October 2026
What you pay
Importing into New Zealand
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
UK Free Third-country duty 2 tariff lines 
EU Free – 2.7% Third-country duty 2 tariff lines · average 1.4% 
Türkiye Free – 2.7% Third-country duty 4 tariff lines · average 2% 
USA Free – 3% General (MFN) 2 tariff lines · average 1.5% 
Canada Free General (MFN) 3 tariff lines 
Mexico Free – 5% General (MFN) 7 tariff lines · average 2.1% 
Brazil Free – 12.6% General (MFN) 6 tariff lines · average 8.4% 
Argentina Free – 12.6% General (MFN) 6 tariff lines · average 8.4% 
Peru Free General (MFN) 1 tariff line 
Japan Free – 3.3% General (MFN) 3 tariff lines · average 2.2% 
Taiwan 1% – 2.5% General (MFN) 2 tariff lines · average 1.8% 
GCC 5% General (MFN) 7 tariff lines 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia 6% – 15% General (MFN) 2 tariff lines · average 10.5% 
Nigeria 10% General (MFN) 1 tariff line New Zealand lines: 3816.00
- 3816.00.10.00Dolomite ramming mix
- 3816.00.20.10Dolomite
- 3816.00.20.20Magnesite
- 3816.00.20.30Other products of 3816 containing not more than 40 alumina
- 3816.00.20.32Other products of 3816 containing more than 40 alumina but not more than 60
- 3816.00.20.34Other products of 3816 containing more than 60 alumina but not more than 80
- 3816.00.20.36Other products of 3816 containing more than 80 alumina
- 3816.00.20.40Other products of 38.16
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.
- 600010496 HMRC
oil bonded moulding sand Use: metal casting Packaging: 25kg plastic bags
Legal notes
Code history
Since 2022; before, these goods were classified under 2518.30.
In the Working Tariff Document of New Zealand, 3816.00.20.10 is one of 8 lines under subheading 3816.00, refractory cements, mortars, concretes and similar compositions.
The normal tariff rate is 5%, and quantities are declared in KGM.
For the same subheading, the UK duty is free, the EU duty is 0%–2.7%, the Türkiye duty is 0%–2.7%, the US duty is 0%–3%, the Canada duty is free, the Mexico duty is 0%–5%, the Brazil duty is 0%–12.6%, the Argentina duty is 0%–12.6%, the Peru duty is free, the Japan duty is 0%–3.3%, the Taiwan duty is 1%–2.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 6%–15% and the Nigeria duty is 10%.
New Zealand imported goods of subheading 3816.00 worth US$5m in 2024; the largest supplier was China.
Questions and answers
What is the New Zealand import duty for tariff item 3816.00.20.10?
The normal tariff rate in the Working Tariff Document of New Zealand is 5%; 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 New Zealand import these goods from?
For subheading 3816.00 as a whole, the largest supplier in 2024 was China (US$2m), followed by Australia.