28mm Water Beverage Aluminum-Plastic Cap

HAOMEI Aluminum’s 28mm aluminum-plastic caps are widely used in today’s packaging industry, particularly in the packaging of carbonated drinks, mineral water, fruit juice, and other beverages.

These caps are typically composed of aluminum and plastic (such as PP or PE). The aluminum provides excellent sealing and tamper-evident features, while the plastic part enhances durability and processing flexibility.

The standard diameter for mineral water bottle caps is approximately 28mm, as defined by the International Committee of Closure Manufacturers (ICCB). The 28mm diameter is ideal for packaging products like carbonated beverages, organic drinks, and mineral water due to its compatibility with refreshing, fizzy drinks.

As a mainstream neck size for beverage bottles (such as certain mineral waters and teas), the 28mm opening requires precisely matched threading for optimal airtight sealing. The aluminum shell is formed via stamping and crimping techniques to ensure a snug fit with the bottle neck, while the plastic inner cap is manufactured using injection molding for accurate dimensional control.

Specifications of 28mm Tamper-Evident Aluminum-Plastic Caps

Detailed Photo

Applications of 28mm Aluminum-Plastic Caps

• Carbonated Beverages:
  Aluminum-plastic caps provide excellent airtightness to retain carbonation and prevent gas leakage.

• Mineral and Purified Water:
  Lightweight and well-sealed, these caps are ideal for bottled water, meeting consumer needs for hygiene and convenience.

• Juice and Tea Drinks:
  For beverages that require light protection or oxidation prevention, aluminum-plastic caps offer enhanced preservation and extended freshness.

Advantages of HAOMEI Aluminum’s Aluminum-Plastic Caps

Excellent Sealability:
The aluminum-plastic structure effectively isolates air, moisture, and contaminants, extending shelf life—especially for carbonated drinks.

High Temperature Resistance:
Some aluminum-plastic caps can withstand high-temperature sterilization (e.g., hot filling), making them suitable for beverages requiring thermal disinfection.

Tamper-Evident & Anti-Counterfeit:
Tamper-evident ring designs prevent resealing and increase consumer confidence. Some caps also support laser engraving or special markings for anti-counterfeit purposes.

Eco-Friendly & Recyclable:
Aluminum is recyclable, aligning with sustainability trends. The plastic components are typically biodegradable or easily recyclable, reducing environmental impact.

Packing & Shipping

FAQ

Q1: Are you a manufacturer or a trading company?
A1: We are a manufacturer and also operate our own trading company.

Q2: Can I request a custom design?
A2: Yes, please provide your own drawings. It takes 15–20 working days to create new molds and samples.

Q3: Can we get your free samples?
A3: Samples are free for products in stock, but you will need to cover the shipping cost.

Q4: What is your delivery time?
A4: For new products, sample delivery takes 20–25 working days. For bulk orders, the lead time is approximately 30 working days after deposit—subject to order quantity.