Aluminum anti-theft cap

Aluminum Screw-off Tamper-Evident Bottle Cap

Aluminum screw-off caps are used in glass containers and are suitable for products including mineral water, natural water, non-alcoholic and alcoholic beverages, health products and juice products.

MOQ: 100000pcs
Supply Ability: 100000 Piece/Pieces per Day
Material: Aluminum
Origin: Zhengzhou, China
Quality Assurance: Automatic testing using professional equipment to ensure quality
Certification: ISO/ SGS
Delivery time: With in 7 days if hav

ISO,SGS
L/C Accepted
7*24H Response

Aluminum caps are widely used for sealing glass containers and are suitable for various products, including mineral water, natural water, alcoholic and non-alcoholic beverages, health supplements, and fruit juices.

ROPP caps produced by HAOMEI Aluminum not only offer high efficiency and productivity but also provide excellent sealing performance, ensuring a perfect fit with containers. They enable smooth opening and closing with effortless rotation.

Screw-off Design

The term "screw-off" refers to a cap design that utilizes a threaded structure. Matching threads on the container neck and the cap allow the cap to be opened and closed by twisting. When the cap is rotated, the interaction between the threads moves the cap up or down along the container neck, enabling opening or sealing.

This design enhances consumer convenience while ensuring the cap remains sealed before opening, providing tamper-evident protection and preventing unauthorized access.

Common Sizes of Aluminum Screw Caps

Features of Screw-off Aluminum Caps

1.Easy Opening: Designed with a threaded structure, users can open the cap effortlessly by twisting, without needing additional tools.

2.Tamper-Evident Function: The cap is equipped with a tamper-evident band or breakable structure that fractures upon opening, preventing resealing and ensuring product integrity.

3.Superior Sealing Performance: Aluminum material provides excellent sealing properties, preventing liquid leakage and contamination.

4.Lightweight & Durable: Made from lightweight aluminum with excellent corrosion resistance, suitable for various packaging applications.

Screw-off Caps vs. Twist-off Caps

Screw-off and twist-off caps are two common closure methods, with key differences in their opening mechanisms and functional emphasis:

Features	Screw-off	Twist-off
Opening method	Twist and unscrew	Twist off a part
Is it reusable	Yes	No
Anti-theft function	Rely on anti-theft ring	Prevent secondary use through irreversible design
Application	Wine, beverages, edible oils	Medicines, chemicals, special foods

In general, screw-off caps are suitable for products that need to be opened and closed repeatedly, while twist-off caps are suitable for products that are opened once and need to be tamper-proof. Users can make decisions based on their specific needs and product characteristics.