古塔波胶条
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 4016990500 | 20.9% | CN | US | Official Doc |
| 4016991000 | 20.8% | CN | US | Official Doc |
| 4016996050 | 37.5% | CN | US | Official Doc |
| 4016993550 | 35.0% | CN | US | Official Doc |
| 4001300055 | 35.0% | CN | US | Official Doc |
AI Analysis
🍃 Gutta-Percha Strips (Gutta Percha Rubber Strips)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 1. Product Definition & Classification: Do You Really Understand "Gutta-Percha"?
Gutta-percha is a natural thermoplastic substance derived from the latex of trees in the Palaquium genus. Unlike common rubber (latex), gutta-percha is trans-isoprene, making it rigid, hard, and insoluble in most organic solvents at room temperature, though it becomes pliable when heated.
In international trade, gutta-percha strips are typically classified under Chapter 40 (Rubber and Articles Thereof). However, because gutta-percha has unique physical properties distinct from vulcanized natural rubber, classification depends heavily on the processing status (vulcanized vs. raw) and form (strip vs. disc/part).
⚠️ Key Distinction:
- If the strip is vulcanized (hardened for stability) → Falls under 4016 (Other vulcanized rubber articles).
- If the strip is raw/unvulcanized or specifically identified as gutta-percha → May fall under 4001 (Raw rubber/Gutta-percha).
- Note: Many customs authorities treat processed gutta-percha strips as "other vulcanized rubber articles" due to their final industrial application (e.g., dental, electrical insulation, or industrial sealing).
📦 2. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the four most likely HS codes for Gutta-Percha Strips/Discs and the reasoning for each:
| HS Code | Product Description | Applicable Scenario | Tax Reasoning |
|---|---|---|---|
| 4016.99.05.00 | Gutta-Percha Rubber Strip | Strips for household/general use; unclassified rubber articles | Logic: Classified as "Vulcanized Rubber Article." The strip form fits "Other" articles not elsewhere specified. |
| 4016.99.10.00 | Gutta-Percha Strip (Other) | Other vulcanized rubber articles; no material conflict | Logic: Similar to above but under a different subheading for "other" rubber articles. Slightly lower base duty. |
| 4016.99.60.50 | Gutta-Percha Disc (Part) | Discs/Parts used as components; classified as "Parts of other vulcanized rubber articles" | Logic: If the item is a disc or part (e.g., gear, seal ring) rather than a raw strip, it falls here. Note: Higher tariff impact. |
| 4016.99.35.50 | Gutta-Percha Disc (Part) | Other rubber制品; disc parts; logical consistency with "other vulcanized rubber articles" | Logic: Another variation for disc/parts, with 0% base duty but high additional tariffs. |
| 4001.30.00.55 | Gutta-Percha (Raw/Specific) | Specific natural tree gum; parts/components; default match | Logic: If classified as raw gutta-percha or specific natural latex product (not vulcanized), it goes here. |
🔍 Key Reminder:
- Strips vs. Parts: A "strip" is often seen as a material form, while a "disc" or machined shape is a "part/article."
- Vulcanization Status: If the gutta-percha is heat-processed for stability, 4016 is more likely. If raw/unprocessed, 4001 applies.
- US Tariffs: All these codes are subject to significant Section 301 and IEEPA tariffs for Chinese origin goods.
💰 3. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Time: Post-2025 (Current Trade War Policies)
🎯 1. 4016.99.05.00 — Gutta-Percha Strip (Vulcanized Rubber Article)
| Item | Details |
|---|---|
| Base Duty Rate | 3.4% (Ad Valorem) |
| Section 301 Surtax | +7.5% (Standard USITC Footnote) |
| Section 122 Tariff | +10% (Specific 122 Clause) |
| Total Effective Rate | 20.9% |
| Tax Calculation | CIF Value × 20.9% |
| De Minimis Exemption | ❌ Not Eligible (Denied for rubber/articles of Chapter 40 from China) |
| Legal Basis Path | USITC:4016.99.05.00 → SECTION_301:7.5% → SECTION_122:10% |
📌 Explanation:
- This is a moderate-risk classification. The base duty is low (3.4%), but the combined surtaxes push the effective rate to 20.9%.
- Risk: Customs may challenge if the product is not clearly "vulcanized." If deemed raw, it might fall under 4001 with different rates.
🎯 2. 4016.99.10.00 — Gutta-Percha Strip (Other Rubber Article)
| Item | Details |
|---|---|
| Base Duty Rate | 3.3% |
| Section 301 Surtax | +7.5% |
| Section 122 Tariff | +10% |
| Total Effective Rate | 20.8% |
| Tax Calculation | CIF Value × 20.8% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:4016.99.10.00 → SECTION_301:7.5% → SECTION_122:10% |
📌 Note:
- Nearly identical to4016.99.05.00, but with a 0.1% savings in total duty.
- Suitable for generic rubber strips where specific household use is not emphasized.
🎯 3. 4016.99.60.50 — Gutta-Percha Disc/Part (Higher Risk)
| Item | Details |
|---|---|
| Base Duty Rate | 2.5% |
| Section 301 Surtax | +25.0% (High Penalty Rate) |
| Section 122 Tariff | +10% |
| Total Effective Rate | 37.5% |
| Tax Calculation | CIF Value × 37.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:4016.99.60.50 → SECTION_301:25.0% → SECTION_122:10% |
📌 Warning:
- This code attracts the 25% Section 301 surtax, which is higher than the 7.5% for general strips.
- Reason: Parts/discs are often viewed as higher-value industrial components.
- Strategy: Avoid this code if possible unless the product is definitely a machined part, not a raw strip.
🎯 4. 4016.99.35.50 — Gutta-Percha Disc/Part (Low Base, High Surtax)
| Item | Details |
|---|---|
| Base Duty Rate | 0.0% |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10% |
| Total Effective Rate | 35.0% |
| Tax Calculation | CIF Value × 35.0% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:4016.99.35.50 → SECTION_301:25.0% → SECTION_122:10% |
📌 Note:
- Slightly better than4016.99.60.50(35.0% vs 37.5%), but still highly penalized.
- Use only if the product is clearly a "part" and no better classification exists.
🎯 5. 4001.30.00.55 — Gutta-Percha (Raw/Specific)
| Item | Details |
|---|---|
| Base Duty Rate | 0.0% |
| Section 301 Surtax | +25.0% |
| Section 122 Tariff | +10% |
| Total Effective Rate | 35.0% |
| Tax Calculation | CIF Value × 35.0% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | USITC:4001.30.00.55 → SECTION_301:25.0% → SECTION_122:10% |
📌 Note:
- If the gutta-percha is not vulcanized (raw material), it falls here.
- Risk: If customs determines the product is vulcanized (processed), they may reclassify to 4016, leading to duty reassessment and penalties.
- Strategy: Only use if you have technical proof (e.g., material safety data sheet) that it is unvulcanized.
🛠️ 4. Customs Clearance Practical Advice (Pitfall Avoidance Guide)
✅ 1. Documentation Checklist (Non-Negotiable)
| Document | Required | Explanation |
|---|---|---|
| ✅ Technical Specification Sheet | ✔️ | Must state: "Gutta-Percha," "Vulcanized/Unvulcanized," "Strip/Disc," Dimensions. |
| ✅ Material Safety Data Sheet (MSDS) | ✔️ | Confirms chemical composition and processing state. |
| ✅ Product Photos (Clear) | ✔️ | Show cross-section, shape, and any markings. |
| ✅ Commercial Invoice | ✔️ | Describe as "Gutta-Percha Rubber Strip" or "Vulcanized Rubber Article." Avoid vague terms like "Plastic Strip." |
| ✅ Origin Certificate | ✔️ | Proof of Chinese origin (triggers surtaxes). |
| ✅ Packing List | ✔️ | Consistent with invoice. |
✅ 2. Declaration Tips (Critical Keywords)
🔥 "Be Specific: State Material, State Form, State State of Vulcanization!"
| Scenario | Correct Declaration | Incorrect Declaration |
|---|---|---|
| Vulcanized Strip | "Vulcanized Gutta-Percha Rubber Strip, for sealing" | "Plastic Strip" or "Rubber Band" |
| Raw Material | "Unvulcanized Gutta-Percha, Natural Tree Gum" | "Gutta-Percha Strip" (if vulcanized) |
| Disc/Part | "Vulcanized Rubber Part, Disc Shape" | "Rubber Disc" (ambiguous) |
✅ 3. Special Handling
| Situation | Recommendation |
|---|---|
| OEM Custom Shapes | Provide CAD drawings to prove "part" status if using 4016.99.35.50/60.50. |
| Mixed Shipments | Declare strips and discs separately. Do not lump under one HS code. |
| Low-Value Imports | ❌ Do not use De Minimis (Section 321). Rubber articles from China are explicitly excluded from $800 de minimis exemption. |
🌍 5. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Duty (China Origin) | Certification Required | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 4016.99.05.00 / 4016.99.10.00 |
20.9% - 20.8% | None | High Section 301 + 122 tariffs. |
| 🇺🇸 USA (Parts) | 4016.99.35.50 / 4016.99.60.50 |
35.0% - 37.5% | None | Avoid if possible; high surtax. |
| 🇨🇳 China | 4016.99.05.00 |
5% - 10% | None | Import duty lower; focus on VAT. |
| 🇪🇺 EU | 4016.99.90 |
0% - 4% | REACH Compliance | No Section 301; check REACH registration. |
| 🇯🇵 Japan | 4016.99.00 |
0% - 3% | JIS Standards | Low duty; focus on quality standards. |
📌 Conclusion:
- USA is the most expensive market due to layered tariffs (Base + 301 + 122).
- Strips (4016.99.05/10) are cheaper than Parts/Discs (4016.99.35/60) due to lower Section 301 rates.
- Raw Gutta-Percha (4001.30) is risky; only use if unvulcanized, as reclassification can lead to penalties.
📌 6. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Declaring "Gutta-Percha Strip" as "Plastic Strip" (HS 3926)
👉 Consequence: If customs determines it is rubber, they may reclassify to 4016 and assess back taxes + penalties.
👉 Fix: Always declare material correctly. Gutta-percha is a rubber-like substance, not plastic.
❌ Error 2: Using De Minimis ($800) for small shipments
👉 Consequence: Customs will seize the goods because rubber articles from China are excluded from de minimis.
👉 Fix: Always pay full duties and taxes, even for small samples.
❌ Error 3: Not specifying "Vulcanized" status
👉 Consequence: Customs may doubt the classification. If they suspect it's raw material, they may shift to 4001 (different tax rate).
👉 Fix: Clearly state "Vulcanized Gutta-Percha" on the invoice and spec sheet.
❌ Error 4: Lumping discs and strips together
👉 Consequence: Discs are parts (higher tax), strips are materials (lower tax). Lump-sum declaration leads to highest tax rate applied to all.
👉 Fix: Separate line items for strips and parts.
✅ Correct Declaration Example:
"Vulcanized Gutta-Percha Rubber Strip, for Industrial Sealing, HS 4016.99.05.00, Made in China"
🎯 7. Conclusion: Precise Classification Saves Money!
🎯 Remember:
🔹 "Strips are cheap, Parts are expensive."
🔹 "Vulcanized is 4016, Raw is 4001."
🔹 "No De Minimis for Rubber from China!"
🔹 "Declare Material, Form, and State Clearly."
📌 Pro Tip:
If your gutta-percha strips are used for dental or medical purposes, ensure compliance with FDA regulations in the US, in addition to customs clearance.
📣 Immediate Action:
📞 Consult a licensed customs broker for Advance Ruling if unsure about vulcanization status.
🚀 Ensure your Invoice and Spec Sheet match the HS code exactly.
💼 Avoid reclassification penalties by being transparent and accurate!
✨ Professional Clearance Starts with Accurate Classification!
💼 Your Every Dollar Counts in Tariff Planning!
Customer Reviews
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) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — 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 — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — 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.