Blown Linseed Oil
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 1518002000 | 0.0% | CN | US | Official Doc |
| 1518004000 | 25.5% | CN | US | Official Doc |
| 1515190000 | 0.0% | CN | US | Official Doc |
| 1515110000 | 0.0% | CN | US | Official Doc |
| 3824994140 | 39.6% | CN | US | Official Doc |
| 3824994190 | 39.6% | CN | US | Official Doc |
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πΏ Blown Linseed Oil (Chemically Modified Vegetable Oils)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
π I. Product Definition & Classification: Do You Truly Understand βBlown Linseed Oilβ?
Blown Linseed Oil is a chemically modified vegetable oil. It is produced by passing air through linseed oil at high temperatures, causing oxidation, polymerization, and cross-linking. This process increases viscosity, drying speed, and film hardness, making it essential for industrial applications such as paints, varnishes, inks, linoleum, and rubber manufacturing.
In international trade, it is critical to distinguish between: 1. Blown/Polymerized/Oxidized Linseed Oil: Chemically modified oils falling under Chapter 1518. 2. Crude/Refined Linseed Oil: Unmodified oils falling under Chapter 1515.
β οΈ Key Distinction Point:
- If the oil has undergone blowing, oxidation, dehydration, sulfurization, or polymerization β It is Chemically Modified β Classify under 1518.
- If the oil is merely crude, refined, or purified but NOT chemically altered β It is Unmodified β Classify under 1515.
- If the product is a mixture of fatty acid esters or a preparation not elsewhere specified β It may fall under 3824.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Chemical Modification? |
|---|---|---|---|
1518.00.20.00 |
Blown, oxidized, dehydrated, sulfurized, blown, polymerized...: Of linseed or flaxseed oil | Industrial blown linseed oil, polymerized linseed oil, chemically modified linseed oil for paints/varnishes | β Yes (Blown/Modified) |
1515.19.00.00 |
Linseed oil and its fractions: Other | Refined linseed oil (not blown/oxidized), linseed oil fractions not elsewhere specified | β No (Only Refined) |
1515.11.00.00 |
Linseed oil and its fractions: Crude oil | Crude linseed oil, unrefined flaxseed oil | β No (Raw/Crude) |
1518.00.40.00 |
Blown, oxidized...: Other | Blown oils of other vegetable origin (e.g., soybean, castor), NOT linseed/flaxseed | β Yes (But not Linseed) |
3824.99.41.40 |
Fatty substances... Mixtures of fatty acid esters | Mixtures of fatty acid esters derived from animal/vegetable origins, chemical preparations | β Yes (Preparation/Mixture) |
3824.99.41.90 |
Fatty substances... Other | Other fatty substances/preparations not specified elsewhere | β Yes (Preparation) |
π Crucial Reminder:
- "Blown Linseed Oil" specifically matches1518.00.20.00.
- Do NOT classify blown linseed oil as1515.19.00.00(Other Linseed Oil), as the latter is for unmodified refined oils. Misclassification leads to incorrect tax calculations and potential customs penalties.
- If the product is a chemical mixture of fatty acid esters rather than pure blown oil, consider 3824.99.41.40.
π° III. 2026 Latest Tariff Rate Details (Including Surtaxes & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Current tariffs as per 2026 regulations
π― 1. 1518.00.20.00 ββ Blown Linseed Oil (Chemically Modified)
| Item | Content |
|---|---|
| Base Tariff | 6.3Β’/kg (Specific Duty) + 7.5% (Ad Valorem) |
| Additional Tariff | 7.5% (Section 301 Surtax) |
| Total Tax Rate | 6.3Β’/kg + 7.5% (Specific) + 7.5% (Ad Valorem Surtax) |
| Tax Calculation | (Weight in kg Γ $0.063) + (CIF Value Γ 7.5%) |
| De Minimis Eligibility | β No (Deny de_minimis for chemically modified oils from China) |
| Legal Basis Path | HTSUS:1518.00.20.00 β Section 301 Footnote |
π Explanation:
- Specific Duty: 6.3 cents per kilogram.
- Ad Valorem Base: 7.5% of the CIF value.
- Section 301 Surtax: An additional 7.5% is applied to the CIF value for Chinese origin.
- Total Cost Impact: The effective tax burden is higher than simple ad valorem rates due to the specific duty component.
π― 2. 1515.19.00.00 ββ Other Linseed Oil (Unmodified Refined)
| Item | Content |
|---|---|
| Base Tariff | 6.3Β’/kg (Specific Duty) + 7.5% (Ad Valorem) |
| Additional Tariff | 7.5% (Section 301 Surtax) |
| Total Tax Rate | 6.3Β’/kg + 7.5% (Specific) + 7.5% (Ad Valorem Surtax) |
| Tax Calculation | (Weight in kg Γ $0.063) + (CIF Value Γ 7.5%) |
| De Minimis Eligibility | β No |
| Legal Basis Path | HTSUS:1515.19.00.00 β Section 301 Footnote |
π Note:
- Unmodified refined linseed oil has the same tax structure as blown linseed oil in the US market for Chinese origin.
- However, blown oil is more likely to be scrutinized for chemical modification documentation.
π― 3. 1515.11.00.00 ββ Crude Linseed Oil
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| De Minimis Eligibility | β Yes (Generally eligible if value under threshold, but check specific exemptions) |
| Legal Basis Path | HTSUS:1515.11.00.00 |
π Warning:
- CRUDE linseed oil is duty-free.
- Do NOT misdeclare "Blown Linseed Oil" as "Crude Linseed Oil" to avoid tariffs. Customs labs will detect chemical modification (viscosity, acid value, peroxide value) and impose penalties for misclassification.
π― 4. 3824.99.41.40 & 3824.99.41.90 ββ Chemical Preparations/Mixtures
| Item | Content |
|---|---|
| Base Tariff | 4.6% |
| Additional Tariff | 25.0% (Section 301 Surtax) |
| Total Tax Rate | 29.6% |
| De Minimis Eligibility | β No |
| Legal Basis Path | HTSUS:3824.99.41.40/90 β Section 301 Footnote |
π Explanation:
- If your product is a mixture of fatty acid esters or a chemical preparation rather than pure blown oil, it falls under Chapter 38.
- 29.6% is a flat ad valorem rate, which may be higher or lower than the1518calculation depending on the productβs value-to-weight ratio.
- Clarification Required: Provide SDS (Safety Data Sheet) and formulation details to determine if it is "pure oil" (1518) or "chemical preparation" (3824).
π οΈ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
β 1. Required Documentation List (Mandatory)
| Document | Must Provide | Explanation |
|---|---|---|
| β SDS (Safety Data Sheet) | βοΈ | Must indicate chemical modification process (blowing, oxidation). |
| β Technical Data Sheet | βοΈ | Viscosity, drying time, iodine value, acid value to prove "blown" status. |
| β Commercial Invoice | βοΈ | Clearly state "Blown Linseed Oil" or "Polymerized Linseed Oil". |
| β Packing List | βοΈ | Net weight and gross weight (for specific duty calculation). |
| β Certificate of Origin | βοΈ | Proof of Chinese origin triggers Section 301 tariffs. |
| β Lab Report (Optional) | βοΈ | If customs questions the modification status, provide third-party lab results. |
β 2. Declaration Tips (Key Mantra)
π₯ βBlown is 1518, Crude is 1515, Prepare 3824 if Mixed! Specific Duty Adds Weight, Ad Valorem Adds Cost!β
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Blown Linseed Oil (Industrial) | 1518.00.20.00 |
Misdeclare as 1515.11.00.00 (Crude) β Customs Rejection & Fine |
| Refined Linseed Oil (Not Blown) | 1515.19.00.00 |
Misdeclare as 1518.00.20.00 β Overpayment of Specific Duty |
| Mixture of Fatty Acid Esters | 3824.99.41.40 |
Misdeclare as 1518 β Incorrect Tax Rate (4.6%+25% vs 6.3Β’/kg+7.5%) |
| Crude Linseed Oil | 1515.11.00.00 |
Misdeclare as 1518 β Unnecessary Tariff Burden |
β 3. Special Circumstances Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Blown Oil | Provide customer specifications and chemical modification proof to confirm 1518.00.20.00. |
| Blended Oils (Linseed + Other) | If linseed is the principal component, still 1518.00.20.00. If minor, may be 1518.00.40.00 (Other). |
| High-Value vs. Low-Value | For 1518, the specific duty (6.3Β’/kg) applies regardless of value. For high-value oil, the 7.5% ad valorem + 7.5% surtax dominates. Calculate total cost carefully. |
| Chemical Preparation Claims | If claiming 3824, provide full formulation. If customs disagrees, they will reclassify to 1518, resulting in back-taxes. |
π V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification | Remarks |
|---|---|---|---|---|
| πΊπΈ United States | 1518.00.20.00 |
6.3Β’/kg + 7.5% + 7.5% Surtax | TSCA (Chemical) | High specific duty impact. |
| π¨π³ China | 1518.00.20.00 |
5% β 9% (Depends on FTAs) | ISO, REACH | Check for GSP or RCEP benefits if applicable. |
| πͺπΊ European Union | 1518.00.00.00 |
0% β 6.5% | REACH, SDS | No specific duty, ad valorem only. |
| π¬π§ United Kingdom | 1518.00.00.00 |
0% β 6.5% | UK REACH | Post-Brexit tariff schedule applies. |
| π―π΅ Japan | 1518.90.00.00 |
0% β 3.2% | JIS | Low tariff, high regulatory scrutiny on chemicals. |
π Conclusion:
- The US has the most complex tariff structure for blown linseed oil due to the specific duty + ad valorem + Section 301 surtax combination.
- EU and Japan are more favorable with lower or zero tariffs, but chemical registration (REACH) is strict.
- China Origin triggers significant additional costs in the US market.
π VI. Common Errors & Pitfall Guide (Blood & Tears Lessons)
β Error 1: Declaring "Blown Linseed Oil" as "Crude Linseed Oil" (1515.11.00.00)
π Consequence: Customs lab test reveals oxidation/polymers β Misclassification Penalty + Back Taxes + Potential Cargo Seizure.
β Error 2: Ignoring the Specific Duty in 1518
π Consequence: Calculating tax only on ad valorem (7.5% + 7.5%) β Underpayment. The 6.3Β’/kg adds up significantly for bulk shipments.
β Error 3: Misidentifying "Chemical Preparations" as "Pure Oils"
π Consequence: Using 3824 (29.6%) when product is pure blown oil (1518, ~15% effective) β Overpayment. Or vice versa β Penalty.
β Error 4: Using Vague Product Names like "Vegetable Oil" or "Drying Oil"
π Consequence: Customs delays for classification review β Demurrage Charges at Port.
β Correct Practice:
"Blown Linseed Oil, Chemically Modified, For Industrial Paints, Viscosity 250cP, Iodine Value 130, HS Code 1518.00.20.00, Origin: China"
π― VII. Conclusion: Professional Declaration Saves Money!
π― Remember the Mantra:
πΉ "Blown = 1518, Specific + Ad Valorem + Surtax!"
πΉ "Crude = 1515, 0% Duty!"
πΉ "Mixture = 3824, 29.6% Flat!"
πΉ "Check Viscometry to Prove Blown Status!"
π Pro Tip:
- If you are shipping large volumes, calculate whether 1518.00.20.00 (with specific duty) is more cost-effective than 3824.99.41.40 (flat 29.6%). For low-value, high-weight shipments, 1518 may be cheaper.
- Always request SDS and Technical Data from your supplier to prove the "blown" status if challenged.
π£ Take Action Now:
π Consult a licensed customs broker + Provide SDS + Apply for USITC Ruling if unsure.
π Ensure accurate weight declaration to avoid specific duty discrepancies.
β¨ Professional Customs Clearance Starts with Accurate Classification!
πΌ Every Cent Saved is Profit Gained!
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About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.