Caps and Closures

Mingtai aluminum alloy sheets for closures comply with Qualified directives regarding the use of aluminum which comes into contact with food, drinks, cosmetics, and pharmaceuticals

Mingtai Aluminum is the biggest aluminum closure sheets provider in China, have full solutions for various bottle cap needs, such as aluminum screw caps, ROPP caps, vial seals, Omnia caps, twist off cap, EOE end, and cosmetic packaging

With experienced technical engineers and superb rolling technology, our aluminum alloy closure sheets are suitable for extremely deep-drawn and highly decorated closures. By using our products, our closure makers clients could achieve a wide variety of painted finishes in their market and we have an excellent reputation as their reliable, flexible, and innovative partner.

Applications and Demands

  • 3105 H14/H16 aluminum closure sheet for screw caps

    Compare with 8011 aluminum closure sheet, 3105 H14 H16 Aluminum closure sheet has enough strength, so it is stronger enough to bear the gas pressure. It is widely used for making screw cap for carbonated drinks and mineral waters.

    We could treat 3105 Aluminum screw cap sheet with phosphoric acid chromated and DOS coated, printed with different colors on the basis of our plain sheet.

    We control the materials composition, rolling temperature and time, and annealing temperature to product optimal materials to meet client’s performance needs, such as its opening capability and earring rate.

    Specification:

    Alloy 3105
    Temper H14, H16, H44, H46
    Thickness 0.2-0.25mm
    Width 500-1000mm
    Length 500-1000mm

    Surface type:

    ● Plain mill finish

    ● DOS oil lubricated finish

    ● Chromated finish

    Typical closure application: closures for carbonated drinks & mineral waters

  • 8011 aluminum closure sheet for ropp caps

    Aluminum closure sheets' greatest qualities are drawn the ability and lacquer adhesion, guaranteeing the highest quality printing of drawings and designs. The most common alloy for closures is 8011 alloy, which has good formability, good earring rate, and flatness, so as to make sure the long cap deep drawing. It is often used as ROPP caps for wine bottles and other beverage bottles

    Advantages:

    ● Best class formability, flatness, rectangularity, and unwavering surface properties.

    ● Stable deep drawing quality to make sure the highest rates of materials rate.

    ● Various processes and technologies can meet the requirements of various surfaces.

    Specification

    Alloy 8011
    Temper H14, H16, H44, H46
    Thickness 0.2-0.25mm
    Width 500-1000mm
    Length 500-1000mm

    Surface type:

    1. Plain mill finish

    2. DOS oil lubricated finish

    3. Chromated finish

    Typical closure application: Ropp caps, PP cap, roll on pilfer proof cap, aluminum pilfer-proof cap, pilfer proof closure, aluminum bottle cap, aluminum screw cap, tear off caps, flip off caps.

  • 8011 1060 aluminum strip for vial seals

    Aluminum vial seals were normally made by 1060, then to be anodized so as to protect its surface. However anodizing process shall cause water pollution, then such technology is slowly being phased out.

    Nowadays aluminum vial cap is normally use 8011 H16/H14 to make it, then lacquered by epoxy clear varnish, or lacquered in different colors, normally in yellow color, golden color, red color, blue color and black color.

    Advantages:

    *1000 class cleaning workshop meets the GMP standard.

    *Stable deep drawing quality to make sure highest rates of materials rate.

    *Varnished and color coated surface could be used for cap maker directly.

    Specification

    Alloy 8011
    Thickness 0.15-0.30mm
    Width 30mm -1000mm
    Inner diameter Paper core 76mm, 152mm and 80mm without core.
    Outer diameter 500-800mm
    Packing Wooden case, wooden pallet if request.

    Typical closure application:

    Vial aluminum seals, aluminum tear off seal, aluminum flip-off vial seals, pharmaceutical caps, pull-off aluminum cap, aluminum seal cap for injection vial, vaccine bottle caps, pull ring tear off aluminum caps, pharmaceutical injection vial cap, ring-pull aluminum cap, medicine vial cap.

  • 8011 5182 aluminum sheet for omnia twist off lid

    The Omnia aluminum cap is relatively shallow, and is generally made of one time annealed 8011 cast rolled aluminum. In order to maintain good seal quality, 8011 aluminum sheet is varnish coated on the inner surface to maintain the perfect combination of the omina cap and the inner plastic pad

    Chemical Composition: alloy type 8011 H16 According to EN573-3

    Specs of twist off lid sheet:

    Alloy 8011 5182
    Temper H14, H16
    Thickness 0.20-0.25mm
    Width 500-1000mm
    Length 500-1000mm

    Surface type:

    1. Plain mill finish

    2. DOS oil lubricated finish

    3. Chromated finish

    Typical closure application: Aluminum twist-off lid

  • 1070 1080 5005 5657 aluminum coil sheet for cosmetic packaging

    Cosmetics packaging applications are expected to be creative and elegant. Coils and sheets with high surface quality and finishing properties are essential for cosmetic packaging. Henan Mingtai Aluminum is the industry leader, providing you with high-quality products that combine optical, tactile, and functional characteristics with lightweight characteristics, recyclability, and optimized processing.

    Advantages:

    ● Surfaces with various optical effects and with different qualities.

    ● A wide range of alloys suited for metal transformation steps: deep drawing.

    ● chemical/electrolytic brightening or etching, anodizing and coloring (where applicable).

    ● Depending on your process, your appearance requests and the requirement for deep drawing formability.

    ● Should you require a solution beyond our extensive portfolio, let’s innovate together.

    Specification

    Alloy 1060, 1070, 1080, 5005, 5657
    Temper H22, H24, H26, H18, H19
    Thickness 0.20-2.0mm
    Width 20mm -1250mm
    Length 500-2000mm
    Type sheet or coil
    Packing Wooden case, wooden pallet if request.

    Surface type:

    1. Plain mill finish

    2. DOS oil lubricated finish

    3. Chromated finish

    Typical closure application: cosmetic packaging

  • 3004-O Aluminum Alloy for Lamp Cover/Base/Holder

    To make aluminum lamp cap, first stamping and then tapping into spiral shape, thinner materials and to withstand the pressure. Therefore, the 3004 lamp cap aluminum strip need to be with high mechanical strength and uniform microstructure and deep drawing property. Currently signi aluminum use the flat ingot hot rolling for producing blank holder with 3004-O aluminum alloy strip. To make this 3004 O aluminum alloy strip, we have to control the composition of the material and cast rolling process, the high temperature uniformity of annealing and final annealing process, it have good deep drawing quality, enough strength, good formability.

    Specification

    Chemical Composition
    Alloy Si Fe Cu Mn Mg Cr Ni Zn Ti Other Aluminum
    Each Total
    3104 0.3 0.7 0.25 1.0-1.5 0.8-1.3 - - 0.25 - 0.05 0.15 Remainder

     

    Temper Thickness
     mm
    Tensile Strength
    Rm MPa
    Yield Strength
    Rp0.2 MPa
    Elongation %
    A50mm
    Bend Radius Hardness
    HBWa
    Min. Max. Min. Max. 180° 90°
    O 0.25-0.4 155 200 60 - 13 45

Application

Industry-oriented solutions are developed to meet the service needs of customers in specific fields.

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