What documents are required to import HS 25280000 into Vietnam?

Typically required: commercial invoice, packing list, bill of lading / airway bill, certificate of origin (for preferential rates). This HS has 1 additional permit / restriction requirement(s) — see detail page.Confirm latest requirements with Vietnam Customs ECUS 2026.

What FTA preferential rates apply to HS 25280000 in Vietnam?

Vietnam offers 22 FTA preferential rates for this HS (e.g. RCEP / ACFTA / China-ASEAN). Rates vary by origin country — see detail page "FTA Preferences" section.

How to calculate landed cost for importing HS 25280000 into Vietnam?

Use CIF (goods + freight + insurance) × 4.5 = import duty. Then add VAT 10/8 = landed cost. Treayo provides an online calculator at https://treayo.com/en/calculator/vietnam.

WCO classification path

Chapter25Salt; sulphur; earths; stone
Heading2528NATURAL BORATES AND CONCENTRATES THEREOF (WHETHER OR NOT CALCINED), BUT NOT INCLUDING BORATES SEPARATED FROM NATURAL BRINE; NATURAL BORIC ACID CONTAINING NOT MORE THAN 85% OF H3BO3 CALCULATED ON THE DRY WEIGHT
Subheading252800Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight
National25280000Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight

25280000

ACTIVE

What is the Vietnam import tariff for HS 25280000 (Natural borates and concentrates thereof (whether )?

Quick answer: Vietnam MFN rate for HS 25280000 is 4.5, plus VAT 10/8. 1 import permit / restriction(s) apply. 22 FTA preferential rate(s) available.

"Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight"

HS code 25280000 (Chapter 25 "Salt; sulphur; earths; stone"; Heading 2528 "NATURAL BORATES AND CONCENTRATES THEREOF (WHETHER OR NOT CALCINED), BUT NOT INCLUDING BORATES SEPARATED FROM NATURAL BRINE; NATURAL BORIC ACID CONTAINING NOT MORE THAN 85% OF H3BO3 CALCULATED ON THE DRY WEIGHT"; Subheading 252800 "Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight") under the Vietnam tariff schedule classifies "Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight". Vietnam customs apply MFN rate of 4.5, Preferential rate 3. Statutory unit of measure: kg. This commodity is subject to 1 import regulation or restriction; see compliance section below. 22 free trade agreement preferential rates are available for this code.

Tariff Schedule

Classification	Rate	Legal
MFN 税率 MFN rate	4.5	Official tariff schedule
优惠税率 Preferential rate	3	Official tariff schedule
增值税 VAT	10/8	Official tariff schedule

Calculate landed cost for HS 25280000

Duty + VAT + surcharges, line by line — just enter your value

→ Calculate now (from FOB $1,000)

FTA Preferential Rates

22 agreements available · certificate of origin required

Agreement	Rate	Effective	Regulation
ACFTA	0%	30/12/2022	118/2022/NĐ-CP
ATIGA	0%	30/12/2022	126/2022/NĐ-CP
AJCEP	0%	30/12/2022	120/2022/NĐ-CP
VJEPA	0%	30/12/2022	124/2022/NĐ-CP
AKFTA	0%	30/12/2022	119/2022/NĐ-CP
AANZFTA	0%	30/12/2022	121/2022/NĐ-CP
AIFTA	0%	30/12/2022	122/2022/NĐ-CP
VKFTA	0%	30/12/2022	125/2022/NĐ-CP
VCFTA	0%	30/12/2022	112/2022/NĐ-CP
VN-EAEU	0%	30/12/2022	113/2022/NĐ-CP
CPTPP	0%	30/12/2022	115/2022/NĐ-CP
AHKFTA	0%	30/12/2022	123/2022/NĐ-CP
EVFTA	0%	30/12/2022	116/2022/NĐ-CP
UKVFTA	0%	30/12/2022	117/2022/NĐ-CP
VN-LAO	0%	15/07/2025	206/2025/NĐ-CP
RCEP-A	0%	30/12/2022	129/2022/NĐ-CP
RCEP-B	0%	30/12/2022	129/2022/NĐ-CP
RCEP-C	0%	30/12/2022	129/2022/NĐ-CP
RCEP-D	0%	30/12/2022	129/2022/NĐ-CP
RCEP-E	0%	30/12/2022	129/2022/NĐ-CP
RCEP-F	0%	30/12/2022	129/2022/NĐ-CP
VIFTA	2.1%	15/10/2024	131/2024/NĐ-CP

Compliance & Controls

1 import regulation, restriction, or permit requirement

DM HH mua bán, trao đổi qua cửa khẩu phụ, lối mở biên giới của thương nhân

42/2019/TT-BCT, 33/2025/TT-BCT

Regulated

Global Benchmark

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HS-6 prefix 2528.00 across other jurisdictions