Metal Cap

Your Professional Metal Cap Supplier

Zhejiang Xinye Packing Co.,Ltd, which consists of metal decoration, PVC-free pellet production and crown caps production, is a professional crown cap manufacture enterprise. Now it has three wholly owned subsidiaries(that is: Wuhan Xinye Packing Co, Ltd, Changchun Xinye Packing Co., Ltd, Deqing County H&S Sealing Material Co, Ltd).

Production Capacity

The company has a total registered capital 103.5million Yuan(RMB), total area 175 mu, existing staff 410 people, theoretical production capacity of 21.6 billion crown caps per year, printing and coating capacity 50000 tons, and PVC-free pellet production capacity 8640 tons per year.

Sales Market

Since 2018, we have started to enter the overseas market and achieved good results in the Southeast Asian market: Vietnam, Myanmar, Laos, Malaysia and so on. And our Market is constantly expanding recently, including South Asia, Africa, And Eastern Europe...

On-Time Delivery

After you made the payment, We will produce as soon as possible according to your requirements, we promise that the order will be delivered on the agreed date.

Production Equipment

The company has more than ten domestic advanced computer numerically controlled Crown production lines and several PMC injection molding machines, with an annual production of more than 20 billion caps of various specifications.

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Parameter

Liner(pvc-free)	PVC FREE
Corrugation	21
Inner diameter	26.75±0.15mm
External diameter	32.1±0.2mm
Height	6.0±0.15mm
Colors	According to your request
Material	Metal

Types of Metal Cap

The metal caps produced by our company mainly include the following types:

Screw Caps

Screw caps, also known as screw-on or twist-off caps, are one of the most common types of metal closures. They feature threads on the inside of the cap that securely screw onto corresponding threads on the container neck, providing a tight seal.

Crown Caps

Crown caps, also called bottle caps or crown corks, are used primarily for sealing glass bottles containing carbonated beverages such as beer and soft drinks. These closures consist of a metal cap with a crimped edge that forms a seal when applied to the bottle neck.

Press-on Caps

Press-on caps, also known as lug caps or twist-off lug caps, feature a lug or tab mechanism that allows for easy opening and closing by hand. These closures are commonly used for packaging products such as sauces, jams, and pickles.

Tamper-evident Caps

Tamper-evident caps are designed to provide visual evidence of tampering by featuring a breakable ring or band that must be removed before the container can be opened. This helps ensure the safety and integrity of the packaged product.

Advantages of Metal Cap

Preservation:

They provide an airtight seal, crucial for preserving the freshness, flavor, and nutritional value of the contents.

Appearance:

Metal caps can be customized to enhance the aesthetic appeal of the product, aligning with brand identity and attracting consumers.

Sustainability:

Metal is recyclable, making metal caps an environmentally friendly option for companies aiming to improve the sustainability features of their product packaging.

Quality Control:

The robustness of metal caps ensures they maintain their integrity, protecting the product from external contamination and leakage.

Applications of Metal Cap

Food and Beverage

Metal caps are important in maintaining the quality and safety of food and beverages. Twist-off caps are frequently used to seal jars containing various food items like jams, pickles, and sauces. These caps not only preserve the freshness of the contents but also offer ease of opening and resealing for consumer convenience.

Pharmaceutical

In the pharmaceutical sector, the utilization of metal caps is of utmost importance to ensure the potency and security of medications. Screw caps are widely utilized in sealing pharmaceutical bottles, providing a dependable shield against external factors that may compromise the effectiveness of the drugs.

Cosmetic and Personal Care

Caps and closures made of metal play a significant role in the packaging of beauty and personal care products, where both appearance and practicality are of utmost importance. Screw caps are commonly utilized in the packaging of creams, lotions, and various cosmetic items, ensuring a reliable seal that prevents any leakage or contamination.

Primary Materials Used in Metal Caps

Tinplate Steel

Tinplate steel is one of the most widely used materials in the production of metal bottle caps. This is steel coated with a thin layer of tin, which helps resist corrosion while providing a smooth surface for branding and sealing. The material is lightweight, strong, and cost-effective.

Aluminum

Aluminum is another popular choice for bottle caps, especially for lightweight and recyclable options. Known for its rust-resistant and malleable properties, aluminum is frequently used in screw caps and easy-open closures.

Zinc Alloy

Zinc alloy is often utilized in crafting premium and decorative metal bottle caps. It is a versatile and durable material with a polished, luxurious appearance. Commonly seen in aromatherapy caps, perfume bottle caps, and red wine bottle caps, zinc alloy offers excellent moldability, allowing for intricate designs. This material is favored for arts and crafts applications where aesthetics and a touch of elegance are essential.

Coatings and Linings in Metal Caps

Epoxy Coatings

To enhance durability and prevent chemical reactions between the cap and the beverage, metal caps are often coated with an epoxy resin. This ensures that the liquid remains uncontaminated and the cap stays intact.

PVC or TPE Linings

Inside the cap, a lining made of polyvinyl chloride (PVC) or thermoplastic elastomers (TPE) creates an airtight seal. This lining is essential for preserving carbonation in soda and preventing spoilage in other beverages.

Customizable Options for Metal Caps

Material

Size

Color

Surface Finish

Logo and Printing

Closure Mechanism

Packaging and Shipping

30000000pieces per day

Port: Shanghai or Ningbo

Lead time: 25-30days

Packaging	10,000pcs/carton. First, white poly bag, then packed in carton.
Shipping	Support variety methods of shipments, such as by DHL/Fedex/UPS, by air, by sea, by train door to door.

Our Factory

Zhejiang Xinye Packaging Co., Ltd. is one of the largest crown cap manufacturers in China, and the sales volume of crown caps has ranked among the top two in the country for many years.

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Our Certificates

In November of 2000, the company obtained IS09002 quality system certification, and further in December 2002, it passed thelS09001:2000 certification; On August 16 of 2010, it passed the HACCP-EC-01:2005 food safety management system certification.

FAQ

Q: Can metal caps be customized in terms of shape?

A: Yes, Metal caps can be customized into various shapes, such as round, square, oval, and even more complex geometric shapes or those with unique contours to meet specific packaging or design requirements.

Q: How can the surface of metal caps be customized?

A: The surface can be customized through processes like electroplating (chrome - plating, nickel - plating, etc.), powder coating, or painting to achieve different colors and finishes. It can also have textures like matte, brushed, or embossed to enhance the visual and tactile effects.

Q: Can metal caps withstand high temperatures?

A: It depends on the type of metal. Stainless steel and some alloys can withstand relatively high temperatures, making them suitable for applications such as food canning where the contents are heat - treated. Aluminum caps can also tolerate moderate temperatures, but they may deform at very high temperatures.

Q: Are metal caps resistant to corrosion?

A: Metal caps made of materials like stainless steel and aluminum are highly resistant to corrosion. However, if the metal is exposed to certain harsh chemicals or environments without proper protection, it can still corrode. That's why coatings and finishes are often applied to enhance the corrosion resistance.

Q: Can metal caps be reused?

A: In some cases, metal caps can be reused, especially if they are in good condition and have been properly cleaned and sterilized. For example, in some industrial settings, reusable metal caps are used for containers that are refilled regularly. However, in most consumer applications, metal caps are designed for single - use and are then recycled.

Q: How are metal caps recycled?

A: Metal caps are collected and sorted by type of metal. They are then sent to recycling facilities where they are melted down and purified. The molten metal is then used to produce new metal products, including new metal caps or other metal - based items.

Zhejiang Xinye Packing Co., Ltd is one of the most professional metal cap manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale custom made metal cap at competitive price from our factory.Metal Cap for Glass Bottle Crown, Metal Beer Bottle Cap, Metal Screw Cap