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21×12mm black Aluminium Pilfer Proof Caps for wine packaging sample sack

21×12mm black Aluminium Pilfer Proof Caps for wine packaging sample sack

Brand Name : KY
Model Number : ROPP-21
Certification : ISO / SFDA
Place of Origin : Zhejiang, China
MOQ : 10000 PCS
Price : USD 0.01~0.05/PC
Payment Terms : T/T, Western Union, MoneyGram
Supply Ability : 3 million pcs per month
Delivery Time : 25 ~ 30 days
Packaging Details : 5000 pcs per carton
Diameter : 21mm
Height : 12mm
Thickness : 0.22mm
Type : Pilfer-proof
Liner : PE / Silicone rubber septa
Color : Black
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21×12mm black Aluminium Pilfer Proof Caps for wine packaging sample sack

Quick Detail:

Catalog Number: ROPP-21

Material: Aluminum 8011 – H14

Outer diameter: 21mm

Inner diameter: 20mm

Height: 12mm / 11.8mm

Height from top to twist off line: 8mm

Thickness of material: 0.22mm

Liner options: PE foam liner , silicone rubber septa

Weight: 0.65g


This type of aluminum pilfer-proof cap is also named as aluminum ropp cap or aluminum twist off cap. It has the prominent property of non-refillable. After the cap has been screwed off, the pilfer-proof ring will be left on the neck of bottle, which shows this bottle has been opened. The aluminum pilfer-proof cap can be sealed by automatic or semi-automatic screw on capping machine. The original cap has no threaded lines on it. The threaded lines are formed under the pressure of capping machine and bottle neck. Liner options include PE liner, silicone rubber septa. This aluminum pilfer-proof cap with different liners is mainly used in wine & spirits packaging-(whiskey, brandy, rum, vodka), non-hydrocarbon beverage packaging, health care products packaging and crafts packaging. It can perfectly work with glass bottles and aluminum bottles. This aluminum pilfer-proof cap can also be printed with various colors or embossed / debossed with customized logo.


This 21×12mm aluminum pilfer-proof cap is an ideal packaging material for wine, spirits, beverage, health care products and crafts which are packed with small glass bottles or aluminum bottles.


Product Name

21×12mm black color aluminum pilfer-proof cap


Aluminum 8011-H14

Thickness of material


Outer diameter


Inner diameter



12mm / 11.8mm

Height from top to twist off line




Liner options

PE / Silicone rubber septa

Artwork options

Printing / Logo embossing / Logo debossing

Diameter of applicable bottle neck

21mm × 12mm

Competitive Advantage:

With experience of more than 10 years for developing molds and producing such aluminum pilfer-proof caps, we have a series of molds for producing different specifications aluminum caps. Most of the molds were designed and developed by our own professional engineers.

The quality of our aluminum pilfer-proof caps are not only approved by domestic customers, but also some famous foreign companies.Now we are cooperating with many wine & beverage manufacturers, biotechnology companies and packaging materials wholesalers in North America, Europe, Australia, Southeast Asia. Except for aluminum caps, we are also able to supply glass bottles and aluminum bottles for customers. To provide one-stop services on packaging materials for our customers is our relentless pursuit.

Product Tags:

pilfer proof closures


roll on pilfer proof caps

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