Aluminium easy peel off end lid top for food cans are typically coated on aluminum sheets rather than coils. Clear lacquer aluminum foil sheet for easy peel off foil end lid top coatings are applied by direct-roll coaters similar to those used in sheet coating operations for 3-piece can bodies, and some facilities use the same coating lines to coat can bodies and ends. Because both the interior and exterior surfaces are usually coated, each sheet is subjected to two separate application and drying steps. If UV-cured exterior coatings are used, these coatings are applied first. The UV coating is set by passing the sheets under a bank of UV drying lamps. Clear lacquer Aluminum foils sheets are then collected and turned over by wickets in preparation for the interior coating application, which is applied by a direct-roll coater. The sheets then pass through a drying oven to cure the interior coatings and complete the cure of the exterior UV-cured coating. Can ends are then formed in processes similar to those used to produce aluminum beverage can ends. The end seal compound application step is also similar to that used in aluminum beverage can manufacturing.
Sheet-coated easy peel off foil end lid top require additional fabrication steps such as when the metal is scored and when a tab is attached. These steps are performed after the end piece has been coated and therefore damage the coating. Repair coatings are applied after these steps to restore the integrity of the coatings.
Combining the metal can with other materials such as plastic or foils can create an entirely new image. Cans for powdered milk, for example, have an aluminium foil tagger sealed on the closure ring conferring pilfer resistance and easy opening as well as an impression of hygiene. Plastic lids fitted over normal end seams and used for re-closure after opening are both decorative and functional.
Impermeable to oxygen and light.
Quality of the contents remains unimpaired, ensuring a long shelf-life.
Cans are easily opened by means of scored or tear-off systems.
Physiologically harmless – meets all valid food law requirements.
Our foil for tagger lids offers many favorable properties: It can be hermetically closed, it facilitates easy opening and guarantees the product a long shelf-life.
We supply pure aluminium foil, either with a clear, protective lacquer coating or with a heat-seal lacquer coating, in thicknesses from 0.060 to 0.120 mm.
This aluminium foil lacquered with a protective coating on both sides for "Penny Lever Closures" or coated with a heat-sealing lacquer on one side for "Peel-off" applications.
Lids of this "Peel-off" quality can be opened very easily by means of the pre-formed easy open ring or tear-off tab. The lid detaches completely from the can.
| Alloy | Temper | Specification (mm) | ||
| Thickness | Width | Tolerance(mm) | ||
| 8011, 1050 | HO | 0.06~0.10 | 100~560 | Thickness: ±0.005, Width: ±0.5 |
| Remark: special specifications can be produced accordingly to your requirement. | ||||
| Alloy | Si | Fe | Cu | Mn | Mg | Cr | Ni | Zn | Ti | Others | |
| each | Total | ||||||||||
| 8011 | 0.5~0.9 | 0.6~1.0 | 0.1 | 0.2 | 0.05 | 0.05 | - | 0.1 | 0.08 | 0.05 | 0.15 |
| 1050 | 0.25 | 0.4 | 0.05 | 0.05 | 0.05 | - | - | 0.05 | 0.03 | 0.03 | - |
| TEST ITEM | TECHNICAL REQUIREMENTS | RESULT | CHISQUARE CRITERION |
||
| SIZ(MM) | THICKNESS BIAS | ±0.005 | ≤0.005 | ELIGIBLE | |
| WIDTH BIAS | ±0.5 | ±0.2 | ELIGIBLE | ||
| APPARENCE | SURFACE | CLEANSING EQUITHICKNESS |
ELIGIBLE | ||
| PINHOLE DEGREES | NODENSE,CONTINUOUS,PERIODI CPINHOLESD>0.3MM/㎡ISNOT ALLOWED,D=0.1-0.3MMNO MORE THAN ONE |
NO | ELIGIBLE | ||
| COATING | THE COATING SHOULD BE EVENLY |
EVENLY | SATISFACTORY | ELIGIBLE | |
| PHYSICAL PROPERTIES |
PROTECTIVE COATING CUHESIVE | NO SPALLING | NO | ELIGIBLE | |
| THEHEATRE SISTANT OF COATING | 200 ℃ WITHOUT SPALLING | NO SPALLING | ELIGIBLE | ||
| COATINGWEIGHT(SINGLE)g/㎡ | 1.0±0.2 | 1.0 | ELIGIBLE | ||
| COATING BIAS(%) | ±10 | -2.0~+2.2 | ELIGIBLE | ||
| ROLL PERFORMANCE | NO ADHESION DURING ROLL | NOADHESION | ELIGIBLE | ||
| RESISTANCE PROPERTY | 〈0.5g(m2·24h) | SATISFACTORY | ELIGIBLE | ||
| MECHANICAL PROPERTY | TENSILE STRENGTH(Mpa) | 60-120 | 75~85 | ELIGIBLE | |
| ELONGATION/%A100mm | ≥4 | 8 | ELIGIBLE | ||
| CUP BULGE | ≥6 | 6.5~7.2 | ELIGIBLE | ||
| CHEMICAL PROPERTIES |
FLUORESCENTSUBSTANCE | CAN NOT BE PIECES | SATISFACTORY | ELIGIBLE | |
| VOLATILE SUBSTANCE≤4mg | 3mg | 1 | ELIGIBLE | ||
| DISSOLVED MATTER | EASYOXIDE(ML)0.02ML/LPOTASSI UMPERMANGANATE LIQUID |
≤1.5ml | 0.8ml | ELIGIBLE | |
| HEAVY METALS(mg/L) | ≤0.25 mg/L | ELIGIBLE | |||
| MICROBALCO NTENT |
BACTERIAL | ≤1000PC/100C㎡ | SATISFACTORY | ELIGIBLE | |
| MYCETE AND SACCHAROMYCETES | ≤100PC/100C㎡ | SATISFACTORY | ELIGIBLE | ||
| COLIBACILLUS | CAN NOT BE EXIST | NO | ELIGIBLE | ||
| UNDUE TOXICITY | NO | NO | ELIGIBLE | ||
| CONCLUSION | BLIGIBLE | ||||