rubber mold release agent
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3403112000 | 35.2% | CN | US | Official Doc |
| 3403115000 | 36.4% | CN | US | Official Doc |
| 3824994140 | 39.6% | CN | US | Official Doc |
| 3910000000 | 38.0% | CN | US | Official Doc |
| 3824999397 | 40.0% | CN | US | Official Doc |
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AI Analysis
π Natural Rubber Mold Release Agents (θ±ζ¨‘ε)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy
π Part 1: Product Definition & Classification: Do You Really Understand "Rubber Mold Release Agents"?
A Natural Rubber Mold Release Agent is a chemical preparation used to prevent cured natural rubber from sticking to metal or polymer molds during the vulcanization or molding process. These agents are critical for ensuring smooth demolding, maintaining surface quality, and protecting mold integrity.
In international trade, classification depends heavily on the chemical composition and primary function. The agent may be based on: * Non-petroleum oils (e.g., vegetable oils, synthetic esters) * Chemical mixtures (e.g., fatty acid esters, silicone-based compounds) * Primary/semi-finished chemical products
β οΈ Key Distinction Point:
- If the product is primarily a preparation for treating natural rubber, it may fall under Heading 34.03. - If it is a chemical mixture/ester not specifically defined elsewhere, it may fall under Heading 38.24. - If it is a semi-finished silicone or chemical intermediate, it may fall under Heading 39.10.
π¦ Part 2: HS Code Classification Details (2026 Latest Tariff Authority)
Below are the 5 most likely HS Code classifications for Natural Rubber Mold Release Agents imported from China to the US, along with their detailed tax breakdowns.
| HS Code | Product Description | Composition/Logic | Total Tax Rate |
|---|---|---|---|
3403.11.20.00 |
Natural Rubber Release Agent (Treatment Preparation) | Specifically classified as a preparation for treating natural rubber. No material conflict. | 35.2% |
3403.11.50.00 |
Natural Rubber Release Agent (Non-petroleum/Low Petroleum) | Fits the definition of a release agent; material is non-petroleum oil or contains small amounts of petroleum oil components. | 36.4% |
3824.99.41.40 |
Natural Rubber Release Agent (Chemical Industry Product) | Classified as a chemical industry product; material consists of fatty acid esters or oil-based mixtures. | 39.6% |
3910.00.00.00 |
Natural Rubber Release Agent (Chemical Intermediate) | Classified as a primary/semi-finished chemical; fits silicone-based chemical classification logic. | 38.0% |
3824.99.93.97 |
Natural Rubber Release Agent (General Chemical Product) | Fits the "other chemical products and preparations" catch-all category for chemical industry use. | 40.0% |
π Key Insight:
- The lowest tax rate (35.2%) applies if the product is strictly defined as a "preparation for treating natural rubber" under 3403.11.20.00. - The highest tax rate (40.0%) applies if the product is classified under the general catch-all 3824.99.93.97. - All categories include Base Tariff + 25% Section 301 Tariff + 10% Section 122 Tariff.
π° Part 3: 2026 Latest Tariff Rate Details (Including Surtaxes & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Current rates apply (Section 301 & Section 122)
π― 1. 3403.11.20.00 ββ Natural Rubber Release Agent (Treatment Preparation)
| Item | Content |
|---|---|
| Base Tariff | 0.2% (Ad Valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Surtax | +10.0% |
| Total Effective Rate | 35.2% |
| Tax Calculation | CIF Value Γ 35.2% |
| De Minimis Exemption | β Not Eligible (Deny de minimis for Section 301/122 goods) |
| Legal Basis Path | HTSUS:3403.11.20.00 β Section 301: Footnote 9903.88.01 β Section 122: IEEPA |
π Explanation:
- This is the most favorable classification if the productβs primary function is explicitly treating natural rubber. - The low base rate (0.2%) is offset by high surcharges, but still results in the lowest total burden among the options.
π― 2. 3403.11.50.00 ββ Natural Rubber Release Agent (Non-petroleum/Low Petroleum)
| Item | Content |
|---|---|
| Base Tariff | 1.4% (Ad Valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Surtax | +10.0% |
| Total Effective Rate | 36.4% |
| Tax Calculation | CIF Value Γ 36.4% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:3403.11.50.00 β Section 301 β Section 122 |
π Note:
- Use this code if the product is a release agent but contains non-petroleum oils or only trace petroleum components. - Slightly higher than3403.11.20.00due to a higher base tariff (1.4% vs 0.2%).
π― 3. 3824.99.41.40 ββ Natural Rubber Release Agent (Fatty Acid Ester/Oil Mixture)
| Item | Content |
|---|---|
| Base Tariff | 4.6% (Ad Valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Surtax | +10.0% |
| Total Effective Rate | 39.6% |
| Tax Calculation | CIF Value Γ 39.6% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:3824.99.41.40 β Section 301 β Section 122 |
π Note:
- Applies if the product is a chemical mixture of fatty acid esters or oils. - Higher base tariff leads to a higher total tax burden.
π― 4. 3910.00.00.00 ββ Natural Rubber Release Agent (Silicone/Chemical Intermediate)
| Item | Content |
|---|---|
| Base Tariff | 3.0% (Ad Valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Surtax | +10.0% |
| Total Effective Rate | 38.0% |
| Tax Calculation | CIF Value Γ 38.0% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:3910.00.00.00 β Section 301 β Section 122 |
π Note:
- Used if the product is a semi-finished silicone or chemical intermediate. - Competitive rate if3403codes are not applicable.
π― 5. 3824.99.93.97 ββ Natural Rubber Release Agent (General Chemical Product)
| Item | Content |
|---|---|
| Base Tariff | 5.0% (Ad Valorem) |
| Section 301 Surtax | +25.0% |
| Section 122 Surtax | +10.0% |
| Total Effective Rate | 40.0% |
| Tax Calculation | CIF Value Γ 40.0% |
| De Minimis Exemption | β Not Eligible |
| Legal Basis Path | HTSUS:3824.99.93.97 β Section 301 β Section 122 |
π Note:
- This is the highest tax rate among the options. - Use only if the product does not fit other specific chemical or rubber treatment categories.
π οΈ Part 4: Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance Guide)
β 1. Documentation Checklist (All Required)
| Document | Required | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must list chemical composition, function, and target material (natural rubber). |
| β Safety Data Sheet (SDS) | βοΈ | Critical for customs and CBP to assess chemical nature and hazards. |
| β Product Photos (Including Label) | βοΈ | Clear view of the container, label, and any warnings. |
| β Commercial Invoice | βοΈ | Must explicitly state: "Mold Release Agent for Natural Rubber" |
| β Packing List | βοΈ | Detailed weight and volume; avoid mixed shipments. |
| β Certificate of Origin (CO) | βοΈ | Proves Chinese origin; note: No duty reduction applies for CN. |
β 2. Declaration Tips (Key Mantras)
π₯ βClassify by Function, Declare by Composition!β
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Product is explicitly for treating natural rubber | 3403.11.20.00 (35.2%) |
Misdeclare as general chemical β 40% |
| Product contains non-petroleum oils | 3403.11.50.00 (36.4%) |
Misdeclare as petroleum-based β Higher tax |
| Product is a fatty acid ester mixture | 3824.99.41.40 (39.6%) |
Misdeclare as rubber treatment β Audit risk |
| Product is silicone-based | 3910.00.00.00 (38.0%) |
Misdeclare as general chemical β 40% |
β 3. Special Situation Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Release Agent | Provide client order + formulation details to justify 3403 classification. |
| Multi-purpose Release Agent | If used for multiple rubbers, declare based on primary use (natural rubber). |
| Bulk Chemical Import | Ensure SDS is up-to-date; CBP may request chemical analysis. |
| Small Quantity (Under $800) | β No De Minimis: Section 301 and 122 surcharges deny the $800 exemption. Must pay full duty. |
π Part 5: Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (CN Origin) | Certification Req. | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3403.11.20.00 |
35.2% (Base 0.2% + 25% + 10%) | SDS + TSCA | High tax burden; avoid 3824 if possible. |
| π¨π³ China | 3403.11.20.00 |
~5-13% | CCC (if applicable) | Lower import duty; no surcharges. |
| πͺπΊ EU | 3403.11.00 |
~2.5-6.5% | REACH + CLP | No Section 301/122; lower cost. |
| π¦πΊ Australia | 3403.11.00 |
~5% | AICIS | Moderate tariff; no surcharges. |
| π―π΅ Japan | 3403.11.00 |
~0-5% | JIS | Low tariff; no surcharges. |
π Conclusion:
- USA is the highest-cost market due to Section 301 (25%) and Section 122 (10%) surcharges. - EU, Japan, and Australia offer significantly lower total tax burdens (~5-10%). - Consider supply chain diversification to non-US markets if cost is critical.
π Part 6: Common Errors & Pitfall Guide (Blood & Tears Lessons)
β Error 1: Declaring as "General Chemical" (3824.99.93.97) when it is a rubber treatment agent
π Consequence: Pay 40% instead of 35.2% β 4.8% extra cost!
β Error 2: Ignoring Section 122 Surtax
π Consequence: Underpayment by 10% β Penalties + Back Taxes!
β Error 3: Assuming De Minimis ($800) applies
π Consequence: Goods held at border; full duty assessed immediately.
β Error 4: Missing SDS or outdated chemical data
π Consequence: CBP request for chemical analysis β Delay of 2-4 weeks.
β Correct Practice:
"Natural Rubber Mold Release Agent, Fatty Acid Ester Based, For Vulcanization Process, SDS Provided"
π― Part 7: Conclusion: Professional Declaration, Save Time & Money!
π― Remember Mantras:
πΉ βClassify by Function: Rubber Treatment = 3403!β
πΉ β3403.11.20.00 is the Gold Standard (35.2%)!β
πΉ βNo De Minimis for Section 301/122 β Pay Up!β
π Pro Tip:
- If your product is exclusively for natural rubber, fight for
3403.11.20.00.- Apply for Pre-Ruling with US CBP if the composition is ambiguous.
- Optimize Supply Chain: For high-volume shipments, consider routing through Vietnam or Mexico (subject to rules of origin) to mitigate US surcharges.
π£ Immediate Action:
π Contact a Licensed Customs Broker
π€ Provide SDS + Formulation Details
π Secure the 35.2% Rate β Donβt Pay 40%!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Percent Saved is Pure Profit!
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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.