1235 aluminum foil

1533 Views 2023-10-27 08:51:09

Alloy 1235
Temper O, H12, H14, H16, H18, etc.
Thickness 0.006-0.2mm, Customize;
Brand Huawei
Delivery Terms FOB, CFR, CIF
Application Food packaging aluminium foil, cigarette packaging aluminum foil, cable aluminum foil, capacitor aluminum foil, flexible packaging aluminium foil, etc.
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What is 1235 aluminum foil

1235 aluminum foil refers to aluminum foil with an aluminum content of not less than 99.35% and belongs to the pure aluminum series. 1235 aluminum foil has good anti-rust properties, formability, and weldability, and can be used in a variety of fields, including cables, tapes, batteries, bottle caps, etc.

1235 aluminum foil has become the most common foil alloy on the market today, a very similar alloy to 1145 as it contains almost the exact same chemical composition and the same physical properties. Sometimes, it can be used as a replacement for 1145 alloy, which is becoming increasingly rare on the market today.

1235 aluminum foil

1235 aluminum foil

1235-O aluminum foil substrate is an ideal choice for sealing processing in various fields such as food, medicine, cosmetics, alcohol sealing gaskets, etc. Its plate shape is flat, the surface is clean, and there is no oil stain. It has high application value and broad prospects.

Aluminum alloy 1235 composition

Alloy Aluminum (Al): Chromium (Cr): Copper (Cu): Iron (Fe): Magnesium (Mg): Manganese (Mn): Silicon (Si): Titanium (Ti): Zinc (Zn): Other Total:
1235 99.35% 0.05% 0.05% 0.05% 0.65% (Si+Fe) 0.06% 0.10%

1235 aluminum foil is made from aluminum alloy 1235, which is part of the 1xxx series of aluminum alloys. This alloy consists of at least 99.35% pure aluminum, with minor impurities to improve its mechanical properties. The high purity of 1235 aluminum foil makes it an excellent choice for a range of applications.

1235 aluminum foil is very similar to 1145 as it contains almost the exact same chemical composition and the same physical properties, it can be used as a replacement for 1145 alloy.

1235 aluminum foil application

1235 aluminum foil application

Because 1235 aluminum foil has a high aluminum content, it has strong electrical conductivity and is widely used in capacitor aluminum foil and battery aluminum foil.

Comparison of chemical composition of 1000 series aluminum foil

Grade Si Fe Cu Mn Mg Cr Ni Zn Al
1050 0.25 0.4 0.05 0.05 0.05 0.05 99.5
1060 0.25 0.35 0.05 0.03 0.03 0.05 99.6
1070 0.2 0.25 0.04 0.03 0.03 0.04 99.7
1100 Si+Fe: 0.95 0.05-0.2 0.05 0.1 99
1200 Si+Fe: 1.00 0.05 0.05 0.1 0.05 99
1235 Si+Fe: 0.65 0.05 0.05 0.05 0.1 0.06 99.35

1235 Aluminum Foil Mechanical Properties

Elongation (Annealed): 1 35
Elongation (H12): 12
Elongation (H14): 9
Elongation (H16): 6
Elongation (H18): 5
Tensile Strength (Annealed): 2 13 x 1000 psi
Tensile Strength (H12): 16 x 1000 psi
Tensile Strength (H14): 18 x 1000 psi
Tensile Strength (H16): 21 x 1000 psi
Tensile Strength (H18): 24 x 1000 psi
Yield Strength (Annealed): 3 5 x 1000 psi
Yield Strength (H12): 15 x 1000 psi
Yield Strength (H14): 17 x 1000 psi
Yield Strength (H16): 20 x 1000 psi
Yield Strength (H18): 22 x 1000 psi

1235 Aluminum Foil Core Performance Characteristics

  • High Purity: 1235 aluminum foil is known for its high aluminum content, making it exceptionally pure and free of impurities. This purity is critical for applications where contamination must be minimized.
  • Excellent ductility: In the annealed states, it’s very malleable allowing for easy workability and formability.
  • Corrosion Resistance: Aluminum is naturally resistant to corrosion due to the protective oxide layer that forms on its surface. This feature increases the durability and longevity of the foil.
  • Lightweight: Aluminum is a lightweight material, and 1235 aluminum foil is no exception. This feature is advantageous for industries that prioritize weight loss.
  • Good thermal and electrical conductivity: Aluminum is an excellent conductor of heat and electricity, making 1235 aluminum foil useful in applications requiring these properties.
  • Reflectivity: Aluminum has high reflectivity, which allows 1235 foil to be used in applications such as thermal insulation and reflective packaging.
  • Formability: 1235 aluminum foil has high elongation and tensile strength, so it has good formability and can be used in various complex shapes.
  • Weldability: 1235 aluminum foil has good weldability and can be used to weld into various complex structures.

Widly Applications Of 1235 Aluminum Foil

1235 aluminum foil is widely used in the following fields:

Packaging: 1235 foil is commonly used for packaging a variety of products such as food, pharmaceuticals and industrial products. It helps protect the contents from external factors such as moisture, light, and pollutants.

1235 aluminum foil for food packaging

1235 aluminum foil for food packaging

Thermal Insulation: The high reflectivity and thermal conductivity of 1235 aluminum foil make it an excellent choice for thermal insulation applications, especially in the construction industry.

Electrical applications: Due to its good electrical conductivity, it can be used to produce capacitors, cables and other electrical components.

Heat Exchangers: Foil is used in heat exchangers due to its thermal conductivity and corrosion resistance.

Lithium-ion battery: used as separator material in lithium-ion battery production.

Flexible Packaging: In the food and pharmaceutical industries, 1235 foil is used for flexible packaging aluminum foil of items such as sachets and blister packs.

Cigarette Packaging: Commonly used as the lining of cigarette packaging to protect the product from moisture and oxygen.

1235 aluminum foil for cable

1235 aluminum foil for cable

Cable: 1235 aluminum foil is used as the insulation layer of cables and has good conductivity, insulation and corrosion resistance.

Aluminum foil tape: Using aluminum foil 1235 as the basic material, aluminum foil tape made through subsequent lamination, printing, gluing and other processes can be used to fix the evaporation tubes of refrigeration equipment such as air conditioners and freezers. The processed 1235 aluminum foil has the characteristics of good heat insulation, strong adhesion and anti-aging. Currently, there are many aluminum foil tapes using 1235-O aluminum foil on the market.

Aluminum type produced by 1235 aluminum foil

Aluminum type produced by 1235 aluminum foil

Food grade aluminum foil

Common grade alloys are 1235/1100/1070/1060 food grade aluminium foil, which has great demand, and is widely used in BBQ, egg tarts, bread and other disposable food packages.

Due to the low production cost of these food packaging aluminium foils, it is very suitable for mass production of disposable food packages.

1235 aluminum foil production process

The production process of 1235 aluminum foil mainly includes the following steps:

  • Casting: Aluminum ingots are melted and cast into thin sheets.
  • Hot Rolling: The cast plate is then hot rolled to reduce its thickness and improve its mechanical properties.
  • Cold Rolling: Hot rolled sheet is further cold rolled to achieve the desired thickness, smoothness and surface finish.
  • Annealing: The foil is heat treated in an annealing furnace to enhance its softness and ductility.
  • Final processing: Foils may undergo additional processing such as slitting, cutting and surface treatment to meet specific customer requirements.
huawei aluminum foil production

huawei aluminum foil production

Huawei 1235 aluminum foil quality

  • 1. The surface of the aluminum foil should be clean, and smooth. There is no corrosion, empty, folding, brown staining, slotted, add edge, wrinkling, concave, and convex.
  • 2. The surface of the aluminum foil is not allowed to have a serious color difference.
  • 3. The end surface of the aluminum foil should be clean and tidy, there is no burr, wrong layer, bruising, or collapse.
1235 aluminum foil packaging

1235 aluminum foil packaging

Casting production process and its introduction

The purpose of melting and casting is to produce alloys with satisfactory composition and high purity of melt, so as to create favorable conditions for casting alloys of various shapes.

Melting and casting process steps: batching --- feeding --- melting --- stirring after melting, slag removal --- pre-analysis sampling --- adding alloy to adjust the composition, stirring --- refining --- static Setting——Guide furnace casting.

Hot rolling production process and its introduction

  • 1. Hot rolling generally refers to rolling above the metal recrystallization temperature;
  • 2. During the hot rolling process, the metal has both hardening and softening processes. Due to the influence of deformation speed, as long as the recovery and recrystallization process is too late, there will be a certain work hardening;
  • 3. The recrystallization of the metal after hot rolling is incomplete, that is, the coexistence of recrystallized structure and deformed structure;
  • 4. Hot rolling can improve the processing performance of metals and alloys, reduce or eliminate casting defects.
    • Hot rolling equipment

      Casting and rolling process

      Casting and rolling process: liquid metal, front box (liquid level control), casting and rolling machine (lubrication system, cooling water), shearing machine, coiling machine.

      • 1. The casting and rolling temperature is generally between 680°C and 700°C. The lower the better, the stable casting and rolling line usually stops once a month or more to re-stand. During the production process, it is necessary to strictly control the liquid level of the front tank to prevent low liquid level;
      • 2. Lubrication uses C powder with incomplete combustion of gas for lubrication, which is also one of the reasons for the dirty surface of casting and rolling materials;
      • 3. The production speed is generally between 1.5m/min-2.5m/min;
      • 4. The surface quality of products produced by casting and rolling is generally relatively low, and generally cannot meet products with special physical and chemical performance requirements.
        • Cold rolling production process

          • 1. Cold rolling refers to the rolling production method below the recrystallization temperature;
          • 2. There will be no dynamic recrystallization during the rolling process, and the temperature will rise to the recovery temperature at most, and the cold rolling will appear in a work hardening state, and the work hardening rate will be large;
          • 3. The cold-rolled sheet and strip have high dimensional accuracy, good surface quality, uniform structure and performance, and products in various states can be obtained with heat treatment;
          • 4. Cold rolling can roll out thin strips, but at the same time, it has the disadvantages of high energy consumption for deformation and many processing passes.
            • Casting rolling

              Introduction to finishing production process

              • 1. Finishing is a processing method to make the cold-rolled sheet meet the customer's requirements, or to facilitate the subsequent processing of the product;
              • 2. The finishing equipment can correct the defects produced in the hot rolling and cold rolling production process, such as cracked edge, oily, poor plate shape, residual stress, etc. It needs to ensure that no other defects are brought into the production process;
              • 3. There are various finishing equipments, mainly including cross-cutting, slitting, stretching and straightening, annealing furnace, slitter, etc.

Aluminum alloy has the characteristics of low density, good mechanical properties, good processing performance, non-toxic, easy to recycle, excellent electrical conductivity, heat transfer and corrosion resistance, so it has a wide range of applications.

Aerospace: used to make aircraft skins, fuselage frames, girders, rotors, propellers, fuel tanks, wall panels and landing gear struts, as well as rocket forging rings, spacecraft wall panels, etc.

Aluminum alloy used for aerospace

Aluminum alloy used for aerospace

Transportation: used for car body structure materials of automobiles, subway vehicles, railway passenger cars, high-speed passenger cars, doors and windows, shelves, automotive engine parts, air conditioners, radiators, body panels, wheels and ship materials.

Traffic application

Traffic application

Packaging: All-aluminum pop cans are mainly used as metal packaging materials in the form of thin plates and foils, and are made into cans, lids, bottles, barrels, and packaging foils. Widely used in the packaging of beverages, food, cosmetics, medicines, cigarettes, industrial products, medicines, etc.

Packaging application

Packaging application

Printing: Mainly used to make PS plates, aluminum-based PS plates are a new type of material in the printing industry, used for automatic plate making and printing.

PS printing

PS printing

Architectural decoration: aluminum alloy is widely used in building structures, doors and windows, suspended ceilings, decorative surfaces, etc. due to its good corrosion resistance, sufficient strength, excellent process performance and welding performance.

Aluminum alloy construction application

Aluminum alloy construction application

Electronic products: computers, mobile phones, refrigerator shells, radiators, etc.

Electronic product application

Electronic product application

Kitchen supplies: aluminum pots, aluminum basins, rice cooker liners, household aluminum foil, etc.

Kitchen application

Kitchen application

Packaging Of Aluminum Sheet/Coil

Every detail of packaging is where we pursue perfect service. Our packaging process as a whole is as follows:

Lamination: clear film, blue film, micro-mucosal, high-mucosal, laser cutting film (2 brands, Novacell and Polyphem);

Protection: paper corner protectors, anti-pressure pads;

drying: desiccant;

Tray: fumigated harmless wooden tray, reusable iron tray;

Packing: Tic-tac-toe steel belt, or PVC packing belt;

Material Quality: Completely free from defects such as white rust, oil spots, rolling marks, edge damage, bends, dents, holes, break lines, scratches, etc., no coil set.

Port: Qingdao or other ports in China.

Lead time: 15-45 days.

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Aluminum sheet/plate packaging process

What is 1060 pure aluminum sheet

Aluminum coil packaging process

F: Are you a manufacturer or a trader?

Q: We are a manufacturer, our factory is at No.3 Weier Road, Industrial Zone, Gongyi, Henan, China.

F: What is the MOQ for ordering the product?

Q: Our MOQ is 5 tons, and some special products will have a minimum order quantity of 1 or 2 tons.

F: How long is your lead time?

Q: Generally our lead time is about 30 days.

F: Do your products have quality assurance?

Q: Yes, if there is a quality problem with our products, we will compensate the customer until they are satisfied.



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