30x60mm Aluminum Wine Bottle Caps with Enhanced Protective Coating
The 30x60mm Aluminum Wine Bottle Caps with Enhanced Protective Coating are specially engineered closure solutions crafted to deliver exceptional protection, aesthetic appeal, and durability for premium wine bottling. These caps are designed keeping in mind the stringent requirements of the wine industry, providing optimal sealing performance and preserving the wine's original quality over its shelf life.
Our 30x60mm aluminum caps are precision-manufactured using high-purity aluminum alloys, offering outstanding mechanical strength combined with lightweight benefits. The enhanced protective coating significantly extends corrosion resistance, protecting both the cap and the wine against environmental factors such as moisture, oxygen ingress, and potential contamination.
virtues of these wine bottle caps include:
- Superior corrosion resistance from advanced coating technology.
- Leak-proof sealability with precisely engineered dimensions.
- Lightweight yet strong alloy construction ensures ease of handling without compromising integrity.
- Attractive finish customizable to meet branding needs.
- Compatibility with a wide range of standard wine bottle neck types.
Features
| Feature | Description |
|---|---|
| Dimensions | Diameter: 30mm, Height: 60mm, Tailored for typical wine bottle necks |
| Material | High purity Aluminum Alloy (AA3105 or AA3004) for optimal strength and malleability |
| Protective Coating | Multi-layer Enhanced Protective Coating: epoxy primer + gloss finish for oxidation resistance |
| Seal Integrity | Controlled thickness of sealing liner to maintain airtight and moisture-proof closure |
| Surface Finish Options | Anodized, Powder Coated, or Printed with custom branding logos |
| Eco-Friendly | Fully recyclable aluminum material and non-toxic coating substances |
Chemical Composition
| Element | Content (%) | Typical Limits | Description |
|---|---|---|---|
| Aluminum (Al) | 97.30-98.70 | Balance | Primary base metal |
| Manganese (Mn) | 0.3 - 0.7 | Improves corrosion resistance and strength | |
| Iron (Fe) | ≤0.7 | Provides strength but controlled for malleability | |
| Silicon (Si) | ≤0.2 | Minimizes casting defects and improves corrosion resistance | |
| Copper (Cu) | ≤0.1 | Strict minimal content to avoid galvanic corrosion | |
| Zinc (Zn) | ≤0.2 | Typically trace impurities | |
| Others | ≤0.15 | Includes trace elements like Magnesium, Chromium |
Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Diameter Dimension | 30 ± 0.15 | mm |
| Height | 60 ± 0.2 | mm |
| Wall Thickness | 0.20 – 0.30 | mm |
| Weight | 5.80 – 6.20 | grams |
| Tensile Strength | 120 – 150 | MPa |
| Elongation at Break | ≥ 10 | % |
| Corrosion Resistance (Salt Spray Test) | ≥ 120 | hours |
| Operating Temperature Range | -40 to +120 | °C |
Applications
These 30x60mm aluminum wine bottle caps are ideal for:
- Premium still wines: guarantees fresh flavor preservation.
- Sparkling wines: maintains carbonation and prevents leakage.
- Organic & natural wines: non-reactive, preserving natural flavors.
- Collectible bottles: durable, protective finish prolonging bottle integrity.
- Customized brand bottles: personalization with high-quality printing and finishing.
- Small and large wineries interested in consistent and reliable capping solutions.
Advantages over Conventional Caps
| Conventional Caps | 30x60mm Aluminum Caps with Protective Coating |
|---|---|
| May rust or corrode over time, compromising quality | Multi-layer enhanced coating ensures superior corrosion resistance |
| Heavier closures increase shipping costs | Lightweight aluminum minimizes extra transport weight |
| Typically shorter life-span under environmental stress | Extended shelf stability under temperature and moisture fluctuations |
| Limited finish designs and print quality | Variety of finish options including anodized and high-resolution customized branding |
Handling and Storage Recommendations
- Store caps in a clean, dry environment post-manufacture.
- Avoid stacking under heavy loads to prevent deformation.
- Use gloves during handling to prevent oils contaminating coating surfaces.
- Inspect caps for any visual defects or damage before application.
- Caps are compatible with automated and manual capping systems.
