White Aluminum Bottle Cap
The white aluminum bottle cap is commonly used for packaging various bottled products such as beverages, cosmetics, pharmaceuticals, and food. It combines the lightweight, high strength, and excellent plasticity of aluminum with surface treatment processes, making it highly attractive and functional.
The white aluminum bottle cap has excellent sealing performance, effectively preventing liquid leakage and maintaining product freshness. Many aluminum bottle caps are designed with tamper-evident labels or seals to ensure product safety and integrity.
White Aluminum Bottle Cap Dimensions
| Feature | Description |
| Standard Size | The size of the white aluminum bottle cap is usually matched to the bottle design, with common standard sizes including: |
| Diameter | Common diameters include 28mm and 38mm. Different bottle types and usage scenarios may vary. A 28mm cap is suitable for most beverage, pharmaceutical, and cosmetic bottles, while a 38mm cap is more commonly used for larger containers or beer bottles. |
| Height | The height of the bottle cap is typically between 10mm and 20mm, depending on the bottle’s volume and design to ensure a good fit with the bottle mouth and provide proper sealing. |
| Shape | The white aluminum bottle cap is usually round in design to fit snugly with the circular edge of the bottle mouth. |
| Thread Design | The cap’s edge is designed with a threaded structure for easy tightening and loosening, ensuring a secure seal between the cap and the bottle mouth to prevent liquid or gas leakage. The precisely cut threads provide stable sealing performance, preventing contaminants from entering or contents from spilling. |
| Sealing Ring/Gasket | In addition to the threads, many white aluminum bottle caps feature an inner sealing ring or leak-proof gasket, usually made of flexible materials such as polyethylene (PE) or polypropylene (PP). This provides additional sealing to prevent leakage and contamination. |
| Application Scope | White aluminum bottle caps are widely used for various bottled products such as beverage bottles, pharmaceutical bottles, cosmetic bottles, and beer bottles. They provide excellent sealing performance and convenient opening and closing operations. |
White Aluminum Bottle Cap Popular Series
| Product | Description |
| White Aluminum Caps (Pulp & Aluminum Liner) | The White Aluminum Cap with a Pulp and Aluminum Liner is designed for secure sealing of bottles and containers, providing both strength and a high-quality aesthetic. The combination of the pulp and aluminum liner ensures an effective barrier against moisture and air, preserving the freshness of the contents while offering a tamper-evident seal. |
| White Cap with Foam/Aluminum Liner | The White Cap with Foam and Aluminum Liner is a versatile closure solution, featuring a foam lining that enhances the seal's ability to block contaminants and maintain product integrity. The aluminum liner provides additional protection, making it ideal for liquid packaging applications where freshness and safety are critical. |
| 38mm Aluminum Bottle Cap with Pulp & Poly Liner | The 38mm Aluminum Bottle Cap with Pulp and Poly Liner is a reliable closure for a wide range of beverage and liquid products. The combination of the pulp liner and poly lining creates a robust seal, effectively preventing leakage while keeping the contents protected from external contaminants. Its 38mm size is suitable for standard bottle openings, offering a tamper-proof and secure solution. |
| 45 mm White PP Tamper Evident Aluminum Bottle Cap | The 45mm White PP Tamper Evident Aluminum Bottle Cap offers a secure and user-friendly closure for beverage bottles. Its tamper-evident feature ensures that the product remains sealed until first use, giving consumers confidence in the safety and integrity of the product. The white polypropylene material provides durability, while the aluminum component delivers added strength. |
White Aluminum Bottle Cap Material Characteristics
- Aluminum Alloy: White aluminum bottle caps are usually made of aluminum alloys, which have good formability, corrosion resistance, strength, and durability.
- Surface Treatment: The surface of white aluminum bottle caps is often coated with paint (such as epoxy coating or wear-resistant coating), making it smoother, more durable, and providing additional corrosion protection.
- Recyclability: Aluminum has excellent recyclability, meeting modern environmental protection requirements.
White Aluminum Bottle Cap Manufacturing Process
- Stretch Forming: The shape of the aluminum cap is created through a stretching process, ensuring high precision and consistency.
- Coating Treatment: The surface is coated with a layer of white paint, usually using environmentally friendly coatings to ensure non-toxicity, no odor, and compliance with product quality requirements. The coating enhances oxidation resistance, improves aesthetics, and increases protection.
- Die Casting and Stamping: To ensure the sealing performance of the bottle cap, some aluminum caps may be produced using die-casting or stamping techniques.
White Aluminum Bottle Cap Physical Properties
- Strength: Aluminum alloys have excellent tensile and compressive strength, making them suitable for use as bottle caps to effectively protect the contents of the bottle.
- Corrosion Resistance: Surface coatings or anodizing treatments can enhance the corrosion resistance of aluminum bottle caps, extending their service life.
- Lightweight: Aluminum material is lightweight, helping to reduce transportation and storage costs.
White Aluminum Bottle Cap Applications
- Beverage Packaging: White aluminum bottle caps are widely used for sealing beverage bottles, mineral water bottles, and carbonated drink bottles. They provide strong sealing performance to prevent leakage or contamination.
- Cosmetic Packaging: Used for sealing cosmetic and skincare product bottles, offering good moisture resistance and sealing effects while enhancing the visual appeal of the product.
- Pharmaceutical Packaging: Used for medicine bottle caps, especially for medications that require special storage conditions. Aluminum bottle caps can effectively isolate air and moisture to ensure the efficacy of the medication.
- Food Packaging: For packaging nuts, coffee powder, tea, and other food products, white aluminum bottle caps provide excellent sealing and protection, preventing external factors from affecting food quality.
White Aluminum Bottle Cap Advantages
- Moisture Resistance: White aluminum bottle caps effectively resist moisture and water, protecting the bottle contents from environmental influences.
- Excellent Sealing Performance: Aluminum caps offer high sealing efficiency, effectively preventing liquid leakage and gas escape, ensuring the freshness and safety of the contents.
- Aesthetic Appeal: White aluminum bottle caps provide a clean, modern appearance that suits various brand and product designs, enhancing market competitiveness.
Surface Treatment Types
- Color Coating: Through paint spraying or electrophoretic coating methods, the surface of white aluminum bottle caps can be covered with a high-quality white coating, providing both aesthetic appeal and enhanced corrosion resistance.
- Anti-Counterfeiting Coating: Some aluminum bottle caps use special anti-counterfeiting coatings or laser engraving technology to provide authentication functions, enhancing product security and reliability.
White aluminum bottle caps not only possess high strength, excellent sealing, and corrosion resistance but also align with modern environmental trends. They are widely used in the food, beverage, cosmetic, and pharmaceutical industries. Their aesthetic appeal, durability, and market adaptability make them a highly popular bottle cap material.
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