crab shell powder
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 2309909500 | 36.4% | CN | US | Official Doc |
| 2309901050 | 35.0% | CN | US | Official Doc |
| 3824999397 | 40.0% | CN | US | Official Doc |
| 3824993990 | 35.0% | CN | US | Official Doc |
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AI Analysis
π¦ Crab Shell Powder (Crab Shell Flour)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Classification Strategy
π 1. Product Definition & Classification: What Exactly Is "Crab Shell Powder"?
Crab Shell Powder is a by-product of the seafood processing industry, primarily composed of chitin and calcium carbonate. In international trade, it serves two main functions: Animal Feed Additives or Chemical/Industrial Raw Materials. The classification depends heavily on its intended use, processing level, and chemical composition.
β οΈ Key Distinction Point:
- If intended for animal consumption (fish, poultry, pet food) β Classified under Chapter 23 (Feed Preparations).
- If intended for chemical extraction, filtration, or industrial mixing β Classified under Chapter 38 (Chemical Products).
π¦ 2. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Classification Logic |
|---|---|---|---|
2309.90.95.00 |
Other preparations for animal feeding | Aquaculture feed, poultry feed, pet food additives | β Feed Additive: Primary raw material for animal nutrition |
2309.90.10.50 |
Animal feed preparations, other | Animal extract ingredients, specialized feed supplements | β Feed Extract: Fits "Other" category in feed preparations |
3824.99.93.97 |
Chemical products & preparations, other | Natural product processing powder, refined chitin/calcium mixes | β Chemical/Natural: Natural product mixture/formulation |
3824.99.39.90 |
Chemical industry mixtures | Organic/inorganic hybrid components, industrial binders/filters | β Chemical Mix: Inorganic/organic hybrid chemical preparation |
π Key Reminder:
- Feed Use: If the powder is marketed directly as a feed ingredient, Chapters 23 (2309) are preferred.
- Industrial Use: If it is a refined chemical intermediate or mixed with other chemicals for non-feed purposes, Chapter 38 (3824) applies.
- Misclassification Risk: Declaring industrial-grade powder as feed (or vice versa) without proper documentation can lead to delays or penalties.
π° 3. 2026 Latest Tariff Rate Details (Including Additional Taxes & Policy Surcharges)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: November 10, 2025 onwards (for subsequent imports)
π― 1. 2309.90.95.00 ββ Feed Preparations (Primary Raw Material)
| Item | Content |
|---|---|
| Base Tariff | 1.4% |
| Section 301 Additional Tariff | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tariff Rate | 36.4% |
| Tax Calculation | CIF Value Γ 36.4% |
| De Minimis Exemption? | β No (High duty rates usually exclude de minimis benefits) |
| Legal Basis Path | Base: 1.4% β 301: 25% β 122: 10% β Total: 36.4% |
π Explanation:
- This is the most common classification for direct feed ingredients.
- The 25% Section 301 tariff is the primary cost driver.
- The 10% Section 122 tariff may apply depending on specific trade enforcement policies for agricultural/animal products.
- Total Burden: High. Importers must budget for nearly 1/3 of the product value in duties alone.
π― 2. 2309.90.10.50 ββ Feed Preparations (Animal Extracts/Other)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Tariff | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tariff Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35.0% |
| De Minimis Exemption? | β No |
| Legal Basis Path | Base: 0.0% β 301: 25% β 122: 10% β Total: 35.0% |
π Note:
- Slightly lower than2309.90.95.00due to a 0% base rate.
- Suitable if the powder is considered an "animal extract" rather than a general feed prep.
- Savings: 1.4% vs. the previous code. Small but significant at scale.
π― 3. 3824.99.93.97 ββ Chemical Products (Natural Product Mixtures)
| Item | Content |
|---|---|
| Base Tariff | 5.0% |
| Section 301 Additional Tariff | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tariff Rate | 40.0% |
| Tax Calculation | CIF Value Γ 40.0% |
| De Minimis Exemption? | β No |
| Legal Basis Path | Base: 5.0% β 301: 25% β 122: 10% β Total: 40.0% |
π Explanation:
- This code applies if the product is viewed as a refined natural chemical product (e.g., high-purity chitin powder for industrial use).
- Highest Base Rate: 5% base makes this the most expensive option at 40%.
- Use Case: Only for industrial/pharmaceutical-grade chitin, not general feed.
π― 4. 3824.99.39.90 ββ Chemical Mixtures (Organic/Inorganic)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Additional Tariff | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tariff Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35.0% |
| De Minimis Exemption? | β No |
| Legal Basis Path | Base: 0.0% β 301: 25% β 122: 10% β Total: 35.0% |
π Note:
- Similar total rate to2309.90.10.50.
- Applicable if the powder is a mixture of organic (chitin) and inorganic (calcium carbonate) components used in non-feed chemical applications.
- Caution: Must prove non-feed use to avoid misclassification penalties.
π οΈ 4. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
β 1. Required Documentation Checklist (All Mandatory)
| Document | Must Provide | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Include particle size, chitin content %, moisture content, intended use |
| β MSDS / SDS (Safety Data Sheet) | βοΈ | Critical for Chapter 38 codes to prove chemical nature |
| β Commercial Invoice | βοΈ | Must clearly state: "Crab Shell Powder for [Feed/Industrial] Use" |
| β Certificate of Origin (CO) | βοΈ | To verify China origin and apply correct Section 301/122 rates |
| β Packing List | βοΈ | Net weight, gross weight, packaging type |
| β Use Declaration Letter | βοΈ | Signed statement: "This product is intended for [Animal Feed / Industrial Chemical Application] only" |
β 2. Classification Tips (Key Mnemonics)
π₯ βFeed First, Chemical Second; Use Determines Code!β
| Scenario | Correct HS Code | Wrong Code | Consequence |
|---|---|---|---|
| Sold as Fish Feed Ingredient | 2309.90.95.00 or 2309.90.10.50 |
3824.xxxx |
Risk of audit, but correct if documented as feed |
| Sold as Industrial Filtration Aid | 3824.99.39.90 or 3824.99.93.97 |
2309.xxxx |
Misclassification if used in feed |
| Mixed Use (Ambiguous) | Choose based on Primary Intent | Random Choice | Customs may downgrade to highest tax or request clarification |
| High-Purity Chitin Extract | 3824.99.93.97 |
2309.90.10.50 |
Higher base tariff (5% vs 0%) |
β 3. Special Cases & Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Powder | Provide client contract specifying end-use. Avoid generic terms like "Biological Powder." |
| Mixed Packaging (Feed + Industrial Samples) | Separate Shipments. Do not mix feed and industrial declarations in one HS Code. |
| High Chitin Content (>50%) | Consider Chapter 38 if refined. If crude, Chapter 23 is safer for feed. |
| Re-export from Third Country | If processed in Vietnam/Malaysia, check rules of origin. May avoid Section 301 if sufficient transformation occurs. |
π 5. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate (China Origin) | Key Certifications | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 2309.90.10.50 (Feed) |
35.0% (Base 0% + 35% Add) | FDA Registration, GMP | 40% if classified as Chemical |
| π¨π³ China | 2309.90.95.00 |
5% - 10% | None specific | Domestic trade is cheaper |
| πͺπΊ EU | 2309.90.90 |
0% - 5% | EU Feed Additive Approval | Strict on heavy metals/microbials |
| π¦πΊ Australia | 2309.90.90 |
5% | Biosecurity Import Permit | High biosecurity scrutiny |
| π―π΅ Japan | 2309.90.90 |
3.5% - 5% | FFW (Feed Additive) Registration | Purity standards are strict |
π Conclusion:
- USA imposes the highest total tariff (35-40%) due to Section 301 and Section 122.
- EU/Japan/Australia are more open but require strict regulatory approval (Biosecurity/Feed Additive lists).
- China remains the largest producer; export costs are driven by duty + logistics.
π 6. Common Mistakes & Pitfall Guide (Lessons Learned)
β Mistake 1: Declaring industrial chitin powder as "Feed" to avoid higher chemical tariffs
π Consequence: Customs audit β Fine for misdeclaration + possible seizure.
β Mistake 2: Using vague description "Organic Powder"
π Consequence: Customs assigns highest duty code by default β 40%+ tax.
β Mistake 3: Ignoring Section 122 Tariff
π Consequence: Underpayment of 10% β Back taxes + Interest.
β Mistake 4: Mixing Feed and Industrial samples in one shipment
π Consequence: Entire shipment held for inspection β Delays + Storage Fees.
β Correct Practice:
"Crab Shell Powder (Chitin Source), 80 mesh, for Aquaculture Feed Use, Model CS-80, MSDS Attached"
π― 7. Conclusion: Precise Classification Saves Costs!
π― Remember the Golden Rule:
πΉ "Feed = Chapter 23, Chemical = Chapter 38"
πΉ "35% is the Sweet Spot (Feed), 40% is the Trap (Chemical)"
πΉ "Document the Use, Avoid the Penalty!"
π Pro Tip:
If your product is re-exported from Vietnam, Malaysia, or Thailand with substantial transformation (e.g., extraction to pure chitin), you may qualify for IEEPA/301 Exemption.
β
Recommendation: Apply for a Pre-Ruling (Advance Ruling) from US CBP before shipping to confirm the exact HS Code and duty rate.
π£ Take Action Now:
π Contact a Licensed Customs Broker + Provide Product Specs & MSDS + Apply for Pre-Ruling
π Ensure Smooth Clearance, Minimize Duties, Maximize Profit!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Cent Counts in International Trade!
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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.