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

Specification of Aluminum For Long Neck Caps:

Test item: autoclave test, Hgcl2 test

Tensile strength: 130-155mpa

Elongation: 2.5-3.5%

Earring: 2% Max

Packing: export standard wooden boxes;

Surface type:

Plain mill finish

DOS oil lubricated finish

Chromated finish

One side golden/white/red/blue/black, etc., other side protective lacquered

both sides clear/transparent lacquered

Advantages of Aluminium For Long Neck Caps:

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

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

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

Typical application of Aluminum For Long Neck Bottle Caps:

Ropp caps, PP cap, roll on pilfer proof cap, aluminum pilfer-proof cap, pilfer proof closure, aluminum bottle cap.