## Common ground
All options are types of safety and barrier fences categorized by their primary material.
## Options at a glance
**3925.90 – Plastic**
- **Defining trait:** Constructed primarily from plastic, often lightweight and corrosion-resistant.
- **Typical examples:** Temporary traffic barriers, plastic chain-link fencing, modular safety panels.
- **Best fit when:** Used in temporary setups, outdoor environments needing low maintenance, or where impact resistance is key.
**4421.9X – Wood**
- **Defining trait:** Made from natural wood, typically untreated or treated for weather resistance.
- **Typical examples:** Wooden palisade fences, rural boundary barriers, construction site perimeter fencing.
- **Best fit when:** Aesthetic integration with natural surroundings is important, or in low-security, non-industrial settings.
**7323.99 – Iron or Steel**
- **Defining trait:** Made from ferrous metal, offering high strength and durability.
- **Typical examples:** Heavy-duty industrial barriers, chain-link fences with steel posts, security perimeter fencing.
- **Best fit when:** High physical strength, long-term durability, and resistance to tampering or impact are required.
**7610.90 – Aluminium**
- **Defining trait:** Made from lightweight, corrosion-resistant aluminum alloy.
- **Typical examples:** Modular safety fences for airports, temporary event barriers, marine environments.
- **Best fit when:** Lightweight transportability, resistance to rust, and moderate strength are needed.
## Key differences
| Feature | Plastic | Wood | Iron/Steel | Aluminium |
|------------------|---------------|--------------|----------------|----------------|
| Weight | Light | Medium | Heavy | Very light |
| Durability | Moderate | Low–Medium | High | High |
| Corrosion resistance | High | Low (unless treated) | Low (rusts) | Very high |
| Typical use | Temporary | Rural/visual | Industrial | Transportable |
## How to choose
- Is the fence meant for temporary or short-term use? → 3925.90
- Does it need to blend with natural surroundings or be low-cost? → 4421.9X
- Is maximum strength and security critical? → 7323.99
- Is lightweight, rust-proof, and easy transport important? → 7610.90
## Overlaps & pitfalls
A fence may combine materials (e.g., aluminum frame with plastic panels), but the HS Code is based on the **primary structural material**. If unsure, prioritize the main load-bearing component. No option is inherently superior—choice depends on environment, purpose, and lifespan