## Common ground
All options are types of window blinds and curtains categorized by their primary material.
## Options at a glance
**3925.30 – Plastic material**
- **Defining trait:** Made primarily from synthetic plastic (e.g., PVC, polyethylene).
- **Typical examples:** Vinyl blinds, plastic roller shades.
- **Best fit when:** The product is rigid or semi-rigid, often used in kitchens/bathrooms for moisture resistance.
**4421.91,4421.99 – Wood**
- **Defining trait:** Constructed from natural wood (e.g., bamboo, hardwood slats).
- **Typical examples:** Wooden venetian blinds, wooden shutters.
- **Best fit when:** The product has visible wood grain and is used for a natural, high-end aesthetic.
**6303,6306.1X – Textile material**
- **Defining trait:** Made from fabric (e.g., cotton, polyester, silk) that drapes or folds.
- **Typical examples:** Curtains, fabric roller blinds, sheer curtains.
- **Best fit when:** The product is soft, flexible, and used for light control or privacy.
**7019.6X,7019.7X – Woven glass fabrics**
- **Defining trait:** Made from fiberglass mesh or woven glass fibers.
- **Typical examples:** Heat-resistant blinds, industrial window shades.
- **Best fit when:** The product is used in high-heat environments (e.g., near ovens) or requires fire resistance.
**7616.99 – Aluminium**
- **Defining trait:** Made from aluminum alloy, often for slats or frames.
- **Typical examples:** Aluminum venetian blinds, modern roller blinds.
- **Best fit when:** The product is lightweight, corrosion-resistant, and used in modern interiors.
## Key differences
| Option | Material Type | Flexibility | Heat Resistance | Aesthetic |
|--------|----------------|-------------|------------------|-----------|
| 3925.30 | Plastic | Rigid/semi-rigid | Low | Modern, budget |
| 4421.91/99 | Wood | Rigid | Medium | Natural, classic |
| 6303/6306.1X | Textile | Flexible | Low | Soft, decorative |
| 7019.6X/7X | Glass fabric | Semi-rigid | High | Industrial, technical |
| 7616.99 | Aluminum | Rigid | High | Modern, durable |
## How to choose
- Is the material visibly plastic or vinyl? → 3925.30
- Is it made from natural wood with visible grain? → 4421.91/99
- Does it drape like fabric and fold or roll? → 6303/6306.1X
- Is it made of glass fiber mesh or used in high heat? → 7019.6X/7X
- Is it metal, lightweight, and often used in modern homes? → 7616.99
## Overlaps & pitfalls
- A fabric blind with aluminum slats could fit both 6303/6306.1X and 7616.99. Prioritize the **main material** (fabric vs. metal).
- Plastic blinds may look like wood but are not; avoid confusion by checking for grain or natural texture.
- Woven glass fabrics are rare—ensure it’s not mistaken for plastic or fabric.
- If unsure, use the **primary function and dominant material** to decide