HS Code for Isoprene Rubber: 2025 Guide
TL;DR: The **HS code for isoprene rubber** is 4002.31 in 2025. This guide covers classification, regional updates, uses, shipping tips, and tariff compliance for global trade success.
What Is the HS Code for Isoprene Rubber in 2025?
Isoprene rubber falls under HS code 4002.31 worldwide. This 6-digit code from the World Customs Organization (WCO) classifies synthetic rubbers like isobutene-isoprene rubber (IIR).
- Chapter 40: Rubber and articles thereof
- Heading 4002: Synthetic rubber in primary forms
- Subheading 4002.31: Isoprene rubber (IIR)
- Global standard, with country extensions
- No WCO changes until 2027
Accurate use ensures smooth customs clearance.
HS Code 4002.31 Breakdown and Descriptions
HS code 4002.31 specifically identifies isoprene rubber. It covers butyl rubber variants used in high-demand applications.
| HS Code | Full Description | Key Notes 2025 |
|---|
| 4002 | Synthetic rubber and factice from oils, in primary forms | Stable category |
| 4002.31 | Isobutene-isoprene rubber (IIR); polyisobutene | Verify local digits |
| 4002.39 | Other (related) | Not isoprene-specific |
Source: WCO HS Nomenclature 2022 (valid through 2026).
2025 Regional HS Code Changes for Isoprene Rubber
Major 2025 HS code updates impact isoprene rubber shipments. While global HS remains stable, regions enforce new rules.
- US: Mandatory 10-digit HTS for USPS from Sep 1, 2025
- GCC: 12-digit HS codes rollout Jan 1 (Kuwait, Oman, Qatar, Saudi Arabia)
- EU: Combined Nomenclature 2025 refinements
- China: Enhanced digital verification for Chapter 40
- Australia: Stricter biosecurity-linked HS checks
These affect duty rates and clearance for HS 4002.31.
Long-Tail: Isoprene Rubber HS Code for International Shipping 2025
HS code for isoprene rubber in international shipping is 4002.31. Exporters must adapt to 2025 tariff compliance changes.
| Region | Local HS Extension | 2025 Change |
|---|
| USA (HTS) | 4002.31.00 | Mandatory for all parcels |
| GCC | 4002.31.XX.XX | 12 digits required |
| EU (CN) | 4002 31 00 | Minor description tweaks |
| China | 4002.31.0000 | Digital HS mandatory |
Adapt for seamless cross-border trade.
How to Find and Verify HS Code for Isoprene Rubber
Use these steps to confirm HS code 4002.31 for isoprene rubber.
- Review product specs: Confirm IIR composition
- Locate Chapter 40 in HS nomenclature
- Match to 4002.31 description
- Check country-specific extensions via official tools
- Consult WCO database or local customs
Verification prevents delays and fines.
Common Uses of Isoprene Rubber and HS Code Impact
Isoprene rubber excels in durability applications under HS 4002.31.
- Tire inner liners (air retention)
- Automotive seals and gaskets
- Industrial hoses and belts
- Pharmaceutical stoppers
- Adhesives and sealants
Duties vary by destination; accurate HS code optimizes costs.
Shipping Isoprene Rubber: HS Code Challenges 2025
Correct HS code for isoprene rubber shipment avoids 2025 pitfalls.
- Temperature-sensitive: Requires reefer containers
- Hazmat classification if additives present
- De minimis rule changes (US ends low-value exemption)
- Documentation: Invoice must list 4002.31
- Customs delays from mismatched codes
Plan for air, sea, or LCL freight accordingly.
FAQ: HS Code for Isoprene Rubber 2025
- What is the exact HS code for isoprene rubber?
- HS code 4002.31 covers isoprene rubber (IIR) globally in 2025.
- Has the HS code for isoprene rubber changed in 2025?
- No global changes; regional extensions like GCC 12-digit apply from Jan 2025.
- How does HS 4002.31 affect import duties?
- Duties depend on destination; e.g., US HTS 4002.31.00 has specific rates—check local tariff schedules.
- Is butyl rubber the same HS code as isoprene rubber?
- Yes, butyl rubber (IIR) is classified under HS 4002.31.
- What are 2025 HS code changes for synthetic rubber?
- Regional shifts: US mandatory HTS, GCC 12-digits; no WCO alterations for Chapter 40.
- How to classify isoprene rubber products?
- Use primary form HS 4002.31; finished goods may shift to 4011+.
- Does e-commerce need HS codes for isoprene rubber in 2025?
- Yes, mandatory for USPS and many platforms post-2025 updates.
- Where to verify HS code 4002.31 for my shipment?
- Use WCO HS database or national customs portals like USITC or EU TARIC.
- Can wrong HS code delay isoprene rubber shipments?
- Yes, mismatches cause holds, fines, or returns—always double-check.
- What documents need the isoprene rubber HS code?
- Commercial invoice, packing list, and customs declaration must include 4002.31.
Resources for HS Code Compliance
A 2025 case study: Hong Kong exporter reduced GCC clearance time digit rollout.
For assistance with HS code for isoprene rubber and shipping, Book a Demo. Contact: HKG +852 24671689 | CHN +86 4008751689 | USA +1 337 361 2833 | enquiry@freightamigo.com.
.
Express
Document
Parcel - Air/Sea
Container
Relocation
