## Common ground
All options are types of bathroom and toilet articles based on their primary material.
## Options at a glance
**3924.90 – Plastic material**
- **Defining trait:** Made primarily from synthetic polymers, often lightweight and moldable.
- **Typical examples:** Shower curtains, plastic toilet brushes, shower caddies.
- **Best fit when:** The product is flexible, lightweight, or mass-produced with molded shapes.
**6911.90 – Porcelain or china**
- **Defining trait:** Fired clay with a vitrified, non-porous surface; typically hard and durable.
- **Typical examples:** Toilet bowls, washbasins, bidets.
- **Best fit when:** The item is a fixed sanitary fixture with a glazed, ceramic-like finish.
**6912.00 – Ceramic**
- **Defining trait:** Fired clay, but not necessarily vitrified; may be less dense than porcelain.
- **Typical examples:** Tiles, decorative bathroom fittings, non-glazed pots.
- **Best fit when:** The product is functional or decorative but not a major fixture and lacks a glossy finish.
**7324 – Iron or steel**
- **Defining trait:** Made from ferrous metals; often used for structural or durable parts.
- **Typical examples:** Shower rods, towel racks, metal toilet seats.
- **Best fit when:** The item is metallic, strong, and designed for support or mounting.
**7418.20 – Copper**
- **Defining trait:** Made from copper; valued for corrosion resistance and aesthetic appeal.
- **Typical examples:** Faucets, decorative fixtures, shower heads.
- **Best fit when:** The product is a high-end or decorative metal fixture with visible copper finish.
**7615.20 – Aluminium**
- **Defining trait:** Lightweight, corrosion-resistant metal; often anodized for durability.
- **Typical examples:** Shower enclosures, towel bars, bathroom mirrors frames.
- **Best fit when:** The product is lightweight, modern-looking, and used in wet environments.
**7907.00 – Zinc**
- **Defining trait:** Made from zinc; often used for plating or small components due to low melting point.
- **Typical examples:** Faucet handles, decorative trim, small fittings.
- **Best fit when:** The item is a small, plated, or cast metal part (e.g., knobs).
## Key differences
| Material | Durability | Weight | Common Use Case | Aesthetic |
|----------------|------------|----------|--------------------------|--------------------|
| Plastic | Low | Light | Disposable or flexible | Basic, modern |
| Porcelain/China| Very High | Heavy | Major fixtures | Glazed, white |
| Ceramic | Medium | Medium | Tiles, decorative | Matte, textured |
| Iron/Steel | High | Heavy | Structural supports | Industrial, rustic |
| Copper | Medium | Medium | Decorative, functional | Warm, shiny |
| Aluminium | Medium | Light | Modern fixtures | Sleek, minimalist |
| Zinc | Low | Light | Small parts, plating | Dull, matte |
## How to choose
- Is the product made of molded plastic? → 3924.90
- Is it a large, glazed fixture like a toilet or sink? → 6911.90
- Is it a non-glazed clay item (e.g., tile)? → 6912.00
- Is it a metal support or frame? → 7324
- Is it shiny, warm-toned, and decorative? → 7418.20
- Is it lightweight, modern, and often anodized? → 7615.20
- Is it a small, plated, or cast metal part? → 7907.00
## Overlaps & pitfalls
- Porcelain (6911.90) is a type of ceramic, but used for major fixtures; avoid confusion with general ceramic (6912.00).
- Copper and zinc can be used in similar small fittings—prioritize based on visible material or function.
- Aluminum and steel may both be used in shower rods—check weight and finish.
- **No priority rule given**—choose based on the product’s MAIN material and primary function