Aluminium Foil
What is Aluminium Foil
Aluminium foil is a thin sheet of metal foil comprising about 92-99% aluminum. Its thickness is typically between 0.0002 to 0.006 inches. Its width and intensity are very different due to expected applications. It is a material that is durable, non-toxic, and oil-proof, which can resist chemical erosion.
Advantages of Aluminium Foil
Easy To Use
Aluminum foil is very easy to tear, cut and shape to your packaging needs. Even wide rolls of industrial paper can be cut effortlessly with standard cutters or scissors. Because aluminum foil is flexible and malleable, you can shape it around irregularly sized items or create custom containers. foil foil aluminium rolls offer a cost-effective and simple solution for lightweight packaging.
Provides An Effective Barrier
One of the main reasons to use aluminum foil as a packaging material is its excellent barrier properties. foil foil aluminium rolls form a physical barrier that blocks moisture, light, gases and germs. This makes the nest an ideal choice for wrapping food items and keeping them fresher for longer. The shiny surface of the aluminum foil also acts as an effective reflector, helping to reduce the loss of vitamins from exposure to light.
Preserves Taste And Freshness
Because aluminum foil provides a reliable moisture and odor barrier, it helps preserve the flavor and freshness of packaged items. Loose tea leaves, fresh herbs and cheese will retain their flavor longer when wrapped in foil. Cookies, chips and snacks will stay fresher when stored in foil. The foil's barrier properties also help prevent cross-contamination of flavors and aromas between different foods.
Provides Heat Protection
While excellent at blocking heat, aluminum foil is also capable of reflecting it. This makes foil rolls ideal for use as oven liners or baking foils. When wrapping meat for grilling, foil helps seal in moisture and flavor while protecting the food from direct contact with the heating element. You can even wrap food in foil and place it on hot coals or a campfire for camping snacks.
Why Choose US
Our Factory
Henan Everwin is located in Zhengzhou city, Henan province, China. We are a company dedicated to exporting aluminum rolled products, committed to providing high-quality and diversified aluminum rolled products to global customers.
Professional Team
Since the establishment of the company, we have always adhered to the business philosophy of "quality first, customer first". We have a professional team in the production, research and sales department, able to provide personalized product solutions according to customer needs.
Our Product
Our main products are aluminium sheet, aluminium coil, aluminium foil, aluminium circle and aluminium strip, which are widely used in various industries such as construction, transportation, electronics, and packaging. We strictly control product quality from raw material procurement to production processes to ensure that every product meets customer requirements and expectations.
Our Service
We can provide one-stop services from production packaging to land and sea transportation, as well as comprehensive product after-sales technical support, providing customers with thoughtful service support throughout the process.
Standard Aluminium Foil
Standard aluminium foil is the most common and widely used type. It is known for its excellent heat retention and distribution properties, making it ideal for wrapping, grilling, and roasting food. Whether you're sealing in the flavours of a juicy roast or creating a packet for delicate vegetables on the grill, standard aluminium foil is your go-to option.
Heavy-Duty Aluminium Foil
Heavy-duty aluminium foil is your best bet if you're dealing with heavier or denser foods. With its superior strength and durability, this foil can withstand high temperatures, making it perfect for cooking and baking applications. Use it to line baking sheets, wrap meats for slow cooking, or create foil packets for camping meals. Heavy-duty aluminium foil ensures your food remains protected and cooked to perfection.
Non-Stick Aluminium Foil
Say goodbye to stubborn food sticking to your foil with non-stick aluminium foil. Coated with a special non-stick surface, this foil provides effortless food release, preventing messy cleanups and preserving the integrity of delicate dishes. Whether baking gooey cheese or sticky sweet treats, non-stick aluminium foil is a game-changer for hassle-free cooking and baking.
Pre-Cut Aluminium Foil Sheets:
Pre-cut aluminium foil sheets are a fantastic option for added convenience and time-saving. These pre-cut sheets are ready to use, eliminating the need for tearing or measuring. They are perfect for wrapping sandwiches, lining trays, or packaging portions. With pre-cut aluminium foil sheets, you can streamline your meal preparations and enjoy the ease of a perfectly sized sheet every time.
Pop-Up Aluminium Foil Sheets
Pop-up aluminium foil sheets take convenience to the next level. Designed in a pop-up box, these sheets are easily accessible and dispensed one at a time, ensuring a seamless cooking experience. Whether grilling outdoors or preparing a quick snack, pop-up aluminium foil sheets offer quick and effortless solutions for wrapping, covering, or lining.
Colored Aluminium Foil
Add a touch of creativity and novelty to your food presentations with coloured aluminium foil. Available in various vibrant hues, coloured aluminium foil is perfect for wrapping gifts, creating decorative accents, or adding visual appeal to party platters. Let your imagination run wild and elevate your culinary creations with a splash of colour.
Recycled Aluminium Foil
For eco-conscious individuals, recycled aluminium foil is an excellent choice. Made from post-consumer recycled aluminium, this foil reduces environmental impact by requiring less energy and resources to produce compared to virgin aluminium foil. It also helps to reduce landfill waste. Use it for various cooking and food storage purposes, knowing you're making a sustainable choice.
Application of Aluminum Foil
Package
Aluminum is used in packaging because it has a high degree of ductility: it can easily convert into a sheet and fold, roll up or pack. Aluminum foil can completely block light and oxygen, odor and taste, humidity and bacteria. So it is widely used in food and drug packaging, including long-life packaging for beverages and dairy products No need to refrigerate, you can store them. Aluminum foil containers and trays are used for baking pie and packaging takeaway food, ready-to-eat snacks and pet food.
Insulation
Aluminum materials have good insulation. The reflectance of the aluminum foil is 88%, which is widely used in heat insulation, heat exchange, and cable lining.
Electronic Product
The aluminium foil in the capacitor provides a compact storage for a charge. If the foil surface is treated, the oxide coating can be used as an insulator. Aluminum foil capacitors are common in electrical equipment, including televisions and computers.
Ornaments
Heavy aluminum foil for art, decorative and crafts, especially bright metals. Metal aluminum, usually silver, can be treated into other colors by anodizing. The anodization forms a layer of oxide layer on the surface of the aluminum, which can receive a colored dye or metal salt, depending on the process used. In this way, aluminum is used to make an inexpensive gold foil, which actually does not contain gold and many other bright metals. These foils are sometimes used for unique packaging.
Factors to Consider in Industrial Aluminum Foil Selection
By evaluating the following factors, it is easier to make an informed decision and determine the best industrial aluminum foil:
The appropriate foil thickness depends on the application's specific requirements. It can be extremely thin, measuring approximately 6 microns or less. These thin sheets are frequently employed where weight reduction, flexibility, and extensive surface area coverage are essential. They find utility in electronics for capacitors and batteries.
Conversely, industrial foil is also available in thicker gauges that extend to a few hundred microns. These sheets provide increased mechanical strength and robustness, making them suitable for heavy-duty applications. Construction, automotive, and insulation industries utilize these thicker foils for tasks like thermal insulation, vapor barriers, and structural components.
Barrier properties refer to the foil's ability to act as a barrier against various external elements such as moisture, gases, and light. They ensure the integrity, safety, and preservation of the contents it encloses.
Moisture barrier: Foil with a high moisture barrier protects sensitive products such as pharmaceuticals and food items from moisture-related degradation, spoilage, or contamination.
Gas barrier: This property is crucial for applications where gases such as oxygen, nitrogen, and carbon dioxide can negatively impact the materials.
Light barrier: Light barrier foils protect light-sensitive products from degradation caused by exposure to ultraviolet (UV) or visible light.
The temperature threshold is the maximum temperature that the foil can withstand without experiencing significant degradation or loss of performance. Check the manufacturer's specifications or technical data sheets for the foil's maximum temperature rating. Selecting a foil with a maximum temperature rating that exceeds the highest temperature expected is crucial to ensure its reliability and longevity.
Aluminum foil is known for its excellent electrical conductivity. However, conductivity can vary depending on factors such as the foil's alloy composition and purity. It is important to ensure that the chosen product possesses the electrical conductivity required for the application. Foils with high electrical conductivity also offer effective shielding by redirecting electromagnetic waves.
Compatibility is the foil's ability to be compatible with the substances, environments, and conditions it will encounter. For example, it is crucial to assess the foil's resistance to chemicals or substances it may come into contact with. Certain chemicals, solvents, or corrosive materials can react with aluminum foil, leading to degradation or compromised performance.
Customization encompasses various aspects of aluminum foil, including dimensions, surface treatments, coatings, and additional functionalities. For instance, custom dimensions ensure seamless integration with production processes or application requirements, minimizing waste and maximizing productivity. Foil manufacturers also offer surface treatments and coatings, such as corrosion-resistant, anti-static properties, enhanced adhesion layers, or specific surface finishes.
The cost of aluminum foil can vary depending on the grade and quality of the material. Higher-grade foils may offer improved performance characteristics or specialized properties but can be more expensive. Consider the application's specific requirements and balance them with the desired cost to find the most suitable grade.
Industrial aluminum foil is the aluminum product with the most processes, the most difficult processing technology and the thinnest thickness in aluminum processing and production. It is usually machined from industrial pure aluminum. Aluminum foil production process involves all rolling and heat treatment processes from casting, hot rolling, cold rolling to foil rolling.
At present, there are two common processing routes in the industry: (1) Ingot hot rolling method; (2) Twin-roll casting and rolling method. During ingot hot rolling method, the aluminium melt is cast into ingots, and after homogenization, hot rolling, cold rolling, intermediate annealing and other processes, the cold rolling is continued to form a sheet with a thickness of about 0.4~1.0 mm as a foil blank (melting and casting → hot rolling and billeting → cold rolling → foil rolling).
Compared with the ingot hot rolling method, the process flow of the aluminum foil blank production by the casting and rolling method is relatively simple; it does not need to go through complicated process steps such as smelting ingot, milling, homogenization and hot rolling, but pours the aluminum melt directly into two rotating casting rolls (molds), and the two processes of solidification and hot rolling are simultaneously completed in the casting and rolling zone within 2 to 3 seconds to obtain a plate with a thickness of 4 to 7 mm.
The twin-roll casting and rolling method has simple equipment, less total investment, and short production cycle, which saves many tedious processes such as milling, homogenization, thus saving production cost, but its quality control is difficult, therefore it is relatively rarely used in high-quality aluminum foil products.
At present, the process of casting and rolling applied to aluminum foil blanks has gradually matured, and more and more enterprises have begun to use the casting and rolling process to produce aluminum foil, and casting and rolling has become the mainstream front-end process of aluminum foil.
Common Units for Measuring Thickness of Aluminium Foil
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Gauge |
It is a measure that denotes the thickness of aluminium foil. Gauge is the industrial term employed for estimating the thickness of different materials. It is not frequently adopted unit for aluminium foil. The gauge and thickness of aluminium foil are inversely related to each other meaning that higher gauges have the lowest thickest and vice versa. For example, 20-gauge aluminium foil is thinner than 12-gauge aluminium foil |
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Mils |
It is an imperial unit, a regularly employed unit in packaging industries for estimating and comparing the thickness of the aluminium foil. 1 Mil is equal to 1/1000 of the inch. |
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Microns |
It is a common nickname for micrometre and is commonly used for measuring the thickness of aluminium foil. It is a metric unit and is equal to 1/100000 meter. |
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Millimeter |
It is another unit in the metric system and is mostly used for estimating thicker aluminium foil. It is an accurate unit offering the most precision in measuring thickness. |
What Is the Difference Between Aluminum Foil and Tin Foil
Appearance Of Aluminum Foil And Tin Foil
Aluminum foil and tin foil are very similar in appearance, but there are some obvious differences that help us tell them apart. The first is the color. Aluminum foil is silver-white, while tin foil and aluminum foil are similar in color, but tin foil is much brighter than aluminum foil. Second is the texture. Aluminum foil is relatively hard, with a thickness generally between 0.006-0.2 mm. Tin foil is relatively soft, with a thickness generally between 0.006 and 0.2 mm. Between 0.009-0.05 mm, you can easily feel the difference by touching it with your hands.
Melting Points Of Aluminum Foil And Tin Foil
The melting point of aluminum foil is 660°c and the boiling point is 2327°c. The melting point of tin foil is 232°c and the boiling point is 2260°c. Therefore, aluminum foil is usually preferred over tin foil in environments with higher temperatures such as grilling, cooking, and air frying.
Ductility Of Aluminum Foil And Tin Foil
Aluminum foil has very good ductility, and tin foil also has certain ductility. However, compared with aluminum foil, the ductility of tin foil is still much worse. The fundamental reason for these differences is the difference in material composition, material crystal structure and processing method.
Thermal Conductivity Of Aluminum Foil And Tin Foil
The thermal conductivity of aluminum is 237 w/mk, and that of tin is only 66.6 w/mk, so the thermal conductivity of aluminum foil is much better than that of tin foil. Due to its high thermal conductivity, aluminum foil is often used in cooking, for example, to wrap food to promote even heating and grilling, and to make heat sinks to facilitate rapid heat conduction and cooling.
How to Store Aluminum Foil
Aluminum foil are not allowed to be stored in the open air with high humidity. They should be stored in the cool and dry warehouse well ventilated, room temperature 16-35 ℃, and relative humidity below 70%. This type of environment not only increases their longevity but also improves their general performance. Your storage warehouse should be equiped with durable shelf so that easily accessible to getting a roll is a simple task.
What you should avoid when store the aluminum foil
Aluminum foi should not be placed together with active chemical products such as acids, alkalis and high-humidity shed items. This helps prevent the foil from rusting or sticking together, ensuring it is ready for use when needed.
Storing place be somethere that can not be exposed to sunlight overtime, as it may degrade the quality of aluminum foil.
When transporting from low-temperature areas to high-temperature and high-humidity areas, it is not advisable to open the packaging rushly. It is best to store it in a dry place for a certain period of time.
Wait for the foil to warm up before opening the package.
For food grade aluminum foil with strick hygiene requirements, please protect them from grease splash, moisture and other possible polutants. Then you can protect their surfaces and ensure they're safe for food packaging uses.
Dents, creases and tears that could compromise the functionality of the foil should be avoided. When storing new rolls or retrieving old rolls, be careful no damage of the fragile layer of aluminum foil. Avoid delicate items or damage when handling rolls by using proper handling methods, you can ensure that your foil stays clean and ready to do its job when you need it.
FAQ
We're well-known as one of the leading aluminium foil manufacturers and suppliers in China. If you're going to buy high quality aluminium foil made in China, welcome to get more information from our factory.
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