In modern food packaging, bottle caps, though small in size, play a crucial role. The oil and vinegar aluminum cap is specifically designed for sealing the mouths of oil and vinegar bottles. Made of aluminum material, it features excellent sealing and corrosion resistance. The aluminum cap is formed by rolling threads that match the bottle neck precisely, ensuring a tight and reliable seal that effectively prevents liquid leakage and external contamination. This has made it a popular choice among many manufacturers.
Material of Oil and Vinegar Aluminum Cap
Oil and vinegar aluminum caps are mainly made of high-quality aluminum alloy, typically using 3003 or 8011 aluminum alloy, with the following features:
1. Strong Oxidation Resistance: Effectively resists corrosion caused by air and moisture.
2. Lightweight: Aluminum material is strong yet lightweight, making it convenient for transportation and use.
3. Good Plasticity: Easy to stamp and surface treat, including electroplating and spraying.
4. High Environmental Performance: Recyclable and eco-friendly, meeting green standards.
5. Food-Grade Safety: Compliant with FDA or EU food safety certifications, ensuring safety in food contact.
Specifications of Aluminum Tamper-Evident Cap for Oil and Vinegar Bottles
| Material | Aluminum |
| Diameter | 18mm, 28mm, 31.5mm, 38mm, etc. |
| Height | 12mm, 15mm, 18mm, 20mm, 24mm, etc. |
| Type | Aluminum Screw Cap |
| Color | Black, Green, Gold, Silver, or Customizable |
| Liner | PE liner, sandpaper liner, tin foil liner, plastic particle extrusion liner, etc. |
| Decoration | Lithographic printing, embossing, UV printing, hot stamping, etc. |
| MOQ | 50,000 pieces |
Surface Treatment Techniques for Oil and Vinegar Bottle Caps
Electroplating: Increases corrosion resistance and gloss, with common colors like gold, silver, and antique bronze.
Spray Coating: Color spraying based on brand requirements, such as black, green, red, etc.
Anodizing: Enhances wear resistance and corrosion resistance while offering a variety of color options.
Printing and Hot Stamping: Print brand logos or apply hot stamping to enhance brand recognition.
Features of Oil and Vinegar Aluminum Caps
1. Excellent Sealing Performance:
Made of high-quality aluminum alloy, oil and vinegar caps offer superb oxidation and corrosion resistance, effectively isolating air to prevent oxidation and spoilage of oil and vinegar liquids.
2. Elegant and High-End Appearance:
The metallic texture of aluminum caps makes them visually appealing. With electroplating or spraying treatment, they look even more premium, greatly enhancing product market competitiveness.
3. Easy to Open:
The cap is designed for easy opening and closing without the need for auxiliary tools, ensuring convenience, reliability, and safety.
4. Environmentally Friendly and Recyclable:
Aluminum is highly recyclable, meeting modern environmental standards. After use, consumers can recycle the cap to reduce environmental pollution.
Market Applications of Oil and Vinegar Aluminum Caps:
Oil and vinegar aluminum caps are widely used in the packaging of various edible oils, vinegars, and condiments. Due to their outstanding texture and excellent leakage prevention, they are particularly suitable for high-end products such as olive oil and balsamic vinegar. Many brands opt for customized aluminum caps to showcase their unique brand image.
Production Process of Oil and Vinegar Aluminum Caps
The manufacturing process of oil and vinegar aluminum caps mainly involves the following steps:
Material Selection:
Choose high-quality aluminum alloy sheets to ensure durability and oxidation resistance.
Stamping and Forming:
Use precision stamping equipment to process aluminum sheets into standard-sized cap blanks, ensuring accurate shape.
Surface Treatment:
Apply surface treatments such as electroplating, painting, or anodizing to enhance corrosion resistance and aesthetics.
Liner Installation:
Install food-grade sealing liners inside the cap to enhance the sealing effect.
