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Product Description:

Cans cover (ring) pre-coated plates
First, the raw materials
Aluminum lid and pull the main substrate of aluminum from the southwest andNanshan Aluminum, the use of aluminum-magnesium alloy 5182H19, 5052H19. Itsproducts in the normal substrates of manganese and magnesium components addedto increase the tensile strength and elongation. Han and the lotion by theGerman food-grade chrome HD agent, the United States PPG epoxy phenolicpackaging coatings, and high-end DOS oil
Second, applications
Division I professional production of DOS card and aluminum cans with a coatingfor cans of the lid and pull the coated aluminum is widely used in beverage,beer, rice pudding, tea, cigarettes, cans and other products packaging. U.S.imports of food ash using electrostatic spray wax, cut by large waves, transverseshear, longitudinal easily processed into the system covered the pre-coatedaluminum manufacturers. Depending on the system covers equipment can makeweight and volume of different specifications to meet customer requirements.
Third, the application prospect
Cans of food packaging as lightweight, unbreakable, easy to carry transportcharacteristics, cans packaged foods will gradually replace the glass packagingfood. As China'seconomy continues to strengthen, improve people's living standards, consumptionwill be more and more cans, cans will be growing timber. Therefore, cans withthe amount of pre-coated aluminum coil will be more and more broad prospects.

Alloy & specification

Alloya

Coated panel,strip status

Status

Aluminum thicknessa t/mm

Aluminum Specificationa /mm

Aluminum coil specificationa /mm

Width

length

width

Steeve Φ

50525182

H46H48H49

H18H19

H36H38H39

0.22≤t≤0.50

5001600

5004000

201600

300350

405505

a.Other alloy, specification of material can be  negotiated

Aluminum thickness

Aluminum thickness

Thickness  tolerance±

0.220.30

0.005

0.300.50

0.008

Width and Length

Alloy

Aluminum panel&coil length tolerance/mm

Aluminum Panel & coil width  tolerance/mm /mm

Pop top

Pop can cover

Length≤2000

Length  >2000

width≤100

width  >100

width≤1000

width  >1000

5052

5182

+1

0

+2

0

±0.2

+1.5

0

+1.0

0

+1.5

0

Dynamic features

Alloy

Status

thicknesst/mm

Room   temperature tensile test results

Tensile strength

Rm/MPa

non-proportional   extension strengthRp0.2/MPa

elongationA50mm /%

5052

H36

0.220.30

255305

200

2

0.300.50

255305

200

3

H18H38

0.220.30

270

210

2

0.300.50

270

210

3

H19H39

0.220.30

290

220

2

0.300.50

290

220

3

5182

H36

0.220.30

265340

270

3

0.300.50

265340

270

4

H18H38

0.220.30

330

285

3

0.300.50

330

285

4

H19H39

0.220.30

340

295

3

0.300.50

340

295

4

Coating function

Suppliershould ensure DOS oil of pop can cover is up to 510mg/m2/side, and coating surfaceshould be with even wax which is up to 40100mg/m3/side  

Food and packing industry pop can covercoating aluminum panels’ features:

Function

Coating  weightg/m2

Deviation  of coating

T Bend

MEK

High  temperature sterilization

S

Resist-ance

Acid  resista-nce

Adhe

-sion

Pop  can Cover

Outer  coating

36

≤10

≤2

50

See  Note.1

-

-

1

Grade

Inner  coating

1013

≤10

≤2

-

See  Note.1

See  Note.2

See  Note3

1

Grade

Pop  can tab

2  sides coating

36

≤10

≤2

50

See  Note.1

-

-

1

Grade

Note

1  After121℃,30min distillInternal and external coating without  white, loss of light, peeling, and shedding.

2 After121℃,30min S corrosionInternal and external coating without  white, loss of light, peeling, and shedding.

3  After121℃,30min acid erosionInternal and external coating without  white, loss of light, peeling, and shedding.

Appearance

The surface of the pop cans cover coatingdoes not allow defects such as air bubbles, scratches, missing coating,over-burning, oil spots, stains, streaks, color, piebald, roller printing,embossing, periodic prints, chemical liquid etc which impact users.

Each coil allowed a joint which does notallow loose layer or dislocation, the joint can only be overlapped, which needto make the mark in the end, and each batch coil of joint  is not morethan 10% of the total number of coils.

Services

Supporting services: Offering semi-finishedproducts & OEM services


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Q:What is the formula to calculate the wall thickness of aluminum coil?
Aluminum coil thickness*aluminum coil width*aluminum coil curl*aluminum density (the density of aluminum alloy: 2.73, the density of pure aluminum: 2.71)
Q:How to measure the thickness of aluminum coil at real time? In what areas can the sensor be used?
Displacement sensor can be used in many areas, such as industry.
Q:Can kerosene lubricate and cool aluminum coil when continuous punch?
Yes, because water and oil are not solute, but they will emulsificate.
Q:What’s the production standard of aluminum coil?
GB/T3880-2006 mechanical standard GB/T3190-1996 chemical standard
Q:Why the aluminum-plastic panel processed by color aluminum coil peel off paint?
Generally speaking, aluminum-plastic panel will not peel off paint. If it does happen, the quality of the aluminum-plastic panel is very poor.
Q:What should pay attention to transporting aluminum coil?
You must ensure the good property of the aluminum coil.
Q:What kind of sensor is appropriate for aluminum coil thickness measurement?
Thickness measurement can be divided into single-point and two-point thickness measurement, the principle of which is to measure thickness of aluminum coil through distance measure sensor. Single-point thickness measurement is to calculate the thickness by measuring the distance between the aluminum coils and then subtracting the distance with fiducial point. Double-point thickness measurement is to calculate the thickness by setting a proper distance between two sensors, putting the aluminum coil between them and measuring the distance and then subtracting the distance with initial distance, which is more accurate than single-point measurement. (Professional thickness measurement sensor is also based on single-point or two-point thickness measurement.) The distance measurement sensor can be divided into laser sensor, eddy current sensor and so on. The measuring range of laser sensor is larger than that of eddy current sensor, but less accurate. The While the accuracy of eddy current sensor is around 0.01%, and the measuring range is around several millimeters to more than ten millimeters.
Q:Why does the coated aluminum coil have thickness requirement for membrane?
The purpose of coating is to protect the surface of aluminum coil and make it more aesthetic. The thickness of membrane is closely related to the keep years of products made by aluminum coil.
Q:How much cube is the 0.9mm aluminum rolling?
This is a common problem. Anyone who had received high school education can calculate it very quickily. One way is to calculate sectional area with circular area, then times the thickness of the aluminum rolling. Another way is to use the outer diameter circular area to subtract the core area and then times the thickness of aluminum rolling.
Q:How many companies have used aluminum coil?
Too many. All the companies who make the aluminum products you have seen in daily life have used it. So it is hard to explain.

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