Polyvinyl Chloride Resin High Water Absorption
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3904210000 | 41.5% | CN | US | Official Doc |
| 3904220000 | 41.5% | CN | US | Official Doc |
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π§ͺ PVC Resin: High Water Absorption Clarification & HS Code Guide
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Compliance Strategy
π I. Product Definition & Classification: Clarifying the "High Water Absorption" Misconception
Polyvinyl Chloride (PVC) resin, in its primary forms, is an hydrophobic polymer. It does not inherently possess "high water absorption" characteristics. In fact, rigid PVC has extremely low water absorption (<0.1% by weight).
If a product is described as "PVC resin with high water absorption," it is likely referring to one of two scenarios: 1. Additized PVC: The base PVC resin has been mixed with plasticizers, fillers, or moisture-absorbing additives, turning it into a plasticized compound. 2. Misclassification: The term may refer to non-plasticized PVC but the buyer is concerned about moisture content during storage, or it is a generic term for PVC compounds used in applications requiring moisture resistance (ironically).
β οΈ Key Distinction for Customs:
- Non-Plasticized PVC (Rigid): Used for pipes, profiles, window frames. Low moisture absorption.
- Plasticized PVC (Flexible): Used for cables, flooring, films, hoses. Contains additives that may alter physical properties, but still hydrophobic.
The HS Code classification depends strictly on whether plasticizers are added, not on water absorption properties.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Cross-Reference)
Based on the provided DATA, the products fall under Heading 3904 (Polymers of vinyl chloride or of other halogenated olefins, in primary forms).
| HS Code | Product Description | Application / Form | Plasticizer Status |
|---|---|---|---|
3904.21.00.00 |
Nonplasticized PVC | Rigid profiles, pipes, sheets, primary resins | β No |
3904.22.00.00 |
Plasticized PVC | Flexible films, cables, hoses, soft compounds | β Yes |
π Critical Note:
- "High Water Absorption" is not a standard customs descriptor.
- If the resin is pure PVC powder/granules, it is likely 3904.21.00.00 (if non-plasticized).
- If it is a pre-mixed compound with plasticizers (which may include hygroscopic fillers like calcium carbonate), it is likely 3904.22.00.00.
- Do not misclassify based on moisture sensitivity; classify based on chemical composition (presence of plasticizers).
π° III. 2026 Latest Tariff Rate Details (Including Surtaxes, Policy Additions)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: 2025/2026 (Current Status)
π― 1. 3904.21.00.00 ββ Non-Plasticized Poly(vinyl chloride)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surtax | 0.0% |
| IEEPA Surtax | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% = $0 |
| De Minimis Eligible | β Yes (if under $800) |
| Legal Authority Path | HTSUS:3904.21.00.00 β No Section 301 or IEEPA surcharges applied |
π Explanation:
- PVC resin (non-plasticized) is currently exempt from Section 301 tariffs and IEEPA surcharges under the current list.
- No additional duties apply. This is a zero-duty item for US imports from China.
π― 2. 3904.22.00.00 ββ Plasticized Poly(vinyl chloride)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surtax | 0.0% |
| IEEPA Surtax | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% = $0 |
| De Minimis Eligible | β Yes (if under $800) |
| Legal Authority Path | HTSUS:3904.22.00.00 β No Section 301 or IEEPA surcharges applied |
π Explanation:
- Plasticized PVC is also exempt from Section 301 and IEEPA surcharges.
- No additional duties apply. This is a zero-duty item for US imports from China.
π οΈ IV. Customs Clearance Practical Advice (Combat Pitfall Guide)
β 1. Documentation Checklist (All Required)
| Document | Mandatory? | Notes |
|---|---|---|
| β Commercial Invoice | βοΈ | Clearly state "PVC Resin" and "Plasticized" or "Non-Plasticized" |
| β Packing List | βοΈ | Detail net/gross weight, number of bags |
| β Product Specification Sheet | βοΈ | Must include: CAS No. (9002-86-2), Melt Flow Index, Vicat Softening Point |
| β Material Safety Data Sheet (MSDS/SDS) | βοΈ | Required for chemical goods |
| β Certificate of Origin | βοΈ | For verifying China origin (though tariff is 0%, still needed) |
| β Bill of Lading/Air Waybill | βοΈ | Standard shipping document |
β 2. Declaration Tips (Key Mnemonics)
π₯ βSpecify Plasticization, Avoid Misclassification!β
| Scenario | Correct Declaration | Wrong Declaration | Consequence |
|---|---|---|---|
| Pure PVC powder | 3904.21.00.00 "Non-plasticized PVC resin" |
"Plasticized PVC" | Risk of audit, potential duty recalculation (though both 0% here, accuracy is key) |
| PVC compound with plasticizers | 3904.22.00.00 "Plasticized PVC compound" |
"Non-plasticized PVC" | Risk of penalty for misdeclaration |
| PVC pellets with fillers | Check composition. If plasticizers > threshold β 3904.22.00.00 |
Generic "PVC" | Customs may demand chemical analysis |
β 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| "High Water Absorption" Claim | Provide SDS Section 9 (Physical/Chemical Properties) showing water absorption % (<0.1%). If itβs unusually high, it may contain hygroscopic additives (e.g., starch). Declare as Plasticized PVC (3904.22.00.00) if plasticizers are present. |
| Mixed Containers | If PVC resin is mixed with other goods, separate lines on invoice. PVC must be declared individually. |
| Origin Labeling | Even though tariff is 0%, ensure "Made in China" is clearly marked on packaging to avoid origin fraud penalties. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3904.21.00.00 / 3904.22.00.00 |
0.0% | No special certs needed | Zero duty, easy clearance |
| πͺπΊ EU | 3904.21 / 3904.22 |
6.5% | REACH Registration Required | REACH is mandatory for PVC |
| π¨π³ China | 3904.21 / 3904.22 |
0.0% | None | Import duty is 0% |
| π―π΅ Japan | 3904.21 / 3904.22 |
5.0% | JIS Standard | No surtaxes |
| π¬π§ UK | 3904.21 / 3904.22 |
6.5% | UKCA Marking | Post-Brexit rules apply |
π Conclusion:
- USA offers the most favorable tariff (0%) for PVC resin from China.
- EU has the highest barrier (6.5% + REACH compliance cost).
- No Section 301 or IEEPA taxes currently apply to PVC resins, making them a low-risk import for US buyers.
π VI. Common Errors & Pitfall Guide (Lessons Learned)
β Error 1: Declaring PVC as "General Plastic" without specifying plasticization
π Consequence: Customs may request chemical analysis, delaying clearance by 2-4 weeks.
β Error 2: Ignoring "High Water Absorption" claim without SDS support
π Consequence: If the product is actually a hygroscopic compound (e.g., PVC blend with starch), it might be misclassified as a food-grade plastic, leading to FDA violations.
β Error 3: Assuming "PVC" means "Non-Plasticized"
π Consequence: If plasticizers are present, 3904.21.00.00 is incorrect. While tariffs are the same, accuracy is mandatory for compliance records.
β Correct Practice:
"Non-Plasticized Polyvinyl Chloride Resin, Powder, CAS 9002-86-2, For Pipe Manufacturing"
OR
"Plasticized Polyvinyl Chloride Compound, Granules, CAS 9002-86-2, For Cable Insulation"
π― VII. Conclusion: Professional Declaration Saves Time and Money!
π― Remember:
πΉ "PVC Resin is 0% Duty in USA"
πΉ "Specify 'Plasticized' or 'Non-Plasticized' to avoid delays"
πΉ "Water absorption is a physical property, not a tariff determinant"
πΉ "Always provide SDS for chemical goods"
π Tip:
If your PVC resin is highly hygroscopic, ensure it is packed in moisture-proof bags and declare it correctly as Plasticized PVC (3904.22.00.00) if additives are present. This avoids customs suspicion of misdeclaration.
π£ Immediate Action:
π Provide Product Spec Sheet + SDS to your freight forwarder
π Declare accurately as 3904.21.00.00 or 3904.22.00.00
β Enjoy 0% Duty and smooth US Customs clearance!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Your PVC Shipment, Zero Duty, Maximum Efficiency!
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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.