Aluminum Foil for Air Conditioner from aluminium foil manufacturer

  Aluminum boasts so many advantages that it is more and more widely applied. It’s of small density, good heat conductivity, excellent workability, environmental properties and low cost. As a result, aluminium foil manufacturers are trying to replace traditional raw materials with aluminum. Take air conditioners for example. Manufacturers use aluminum as conductor sheets of heat exchangers. As a result, a new term has come into being in the industry: aluminum foil for air conditioner.

  Aluminium foil roll for air conditioners has been developed for over 20 years in China and got fast development in the past 10 years when air conditioners were winning more and more popularity. Nowadays air conditioners are becoming smaller and more efficient. Correspondingly the heat conductor sheets becomes thinner and stronger. In 1980s the thickness was about 0.15mm but now it reaches as small as 0.09mm. In addition, coated conductor sheets of various functions have been developed to extend air conditioners’ service life, reduce power consumption, improve ventilation effect and strengthen refrigeration effect. There are now conductor sheets of anti-rust type, surface water-loving function, water-repellent function, mildewproof type and self-lubricating type. This makes aluminium foil uses wider and wider.

  Anti-rust conductor sheets of aluminum foil for air conditioners are coated with a protective layer on the surface. Air conditioners with such sheets can be used in regions of severe conditions and have obviously longer life than ones. In addition, anti-rust ability of the sheets prevents production of corrosive dust on the surface, which helps to improve ventilation and eventually air quality of the service area. Water-loving aluminium foil rolls are usually applied to evaporators. Their main function is to lead clotted water down the sheets so that water will not accumulate on the sheets, which will greatly reduce ventilation effect as well as heat exchanging effect. Generally speaking, water-loving sheets also have anti-rust ability. Self-lubricating sheets have no lubricant oil but a thin layer of lubricating film, which avoids harmful influence on human body.

Aluminum foil is the perfect packaging material

Because of its excellent characteristics, aluminum foil is widely used in food, beverage, cigarettes, pharmaceuticals, photographic substrates, household articles, etc. It is usually used as packaging materials; electrolytic capacitor materials; insulation materials for buildings, vehicles, ships, houses, etc. It can also be used as decorative gold and silver wire, wallpaper and decorative trademarks of various stationery, printing products and light industrial products. In all the above applications, the most effective way to develop the performance of aluminium foil is as packaging material. Aluminum foil is a soft metal film, which not only has the advantages of moisture-proof, air-tight, shading, wear-resistant, fragrance-preserving, non-toxic and tasteless, but also because of its elegant silver-white luster, easy to process beautiful patterns and patterns of various colors, so it is more likely to be favored by people’s aluminum foil tape.

With the improvement of people’s living standards and the development of tourism, the demand for beer, soda and other beverages and canned food is increasing day by day, which requires modern packaging and decoration to facilitate competition in the international market. In order to meet the market requirements, people have developed good shielding plastic film and spray foil packaging materials, but their comprehensive properties are not as good as coating and lamination processing can be made up and improved.

After aluminum foil deflector beanie is compounded with plastics and paper, the shielding property of aluminium foil is integrated with the strength of paper and the thermal sealing property of plastics, which further improves the shielding properties of water vapor, air, ultraviolet ray and bacteria, which are necessary for packaging materials, and greatly expands the application market of aluminium foil. Aluminum foil manufacturer is well protected because of its full isolation from light, humidity and air outside. Especially for the packaging of cooked food, the use of this composite aluminum foil material can ensure that food does not deteriorate for at least one year. Moreover, heating and unpacking are very convenient and popular with consumers.

Therefore, it can be said that aluminium foil is a kind of perfect packaging material with many excellent properties, which fully shows its broad application prospects in many fields. In order to improve rolling efficiency and quality of heavy duty aluminum foil products, modern aluminium foil rolling mills are developing in four directions: large coil, wide width, high speed and automation. The roll width of contemporary aluminium foil mill has reached more than 2200 mm, the rolling speed has reached more than 2000 m/min, and the coil weight has reached more than 20 t. The automation level of the rolling mill is also greatly improved. AGC is generally installed, and AFC is mostly installed. Aluminum foil industry is facing a period of rapid development.

Non-stick aluminum foil and common aluminum foil

Non-stick aluminum foil with outstanding non-stick qualities, which is perfect for all sticky food situations. It’s safe at any temperature ranging from -40° F to 650° F

Features of Non-stick aluminum foil :

No need of oil or butter when cooking;

Can be used on any kitchen foil and cooking tray;

Easy clean-up of trays and pans by using the Non-Stick Foil.

A non-stick polymer coated aluminum foil and method of making it. The polymer coating composition comprises a silicone resin, a silicone release agent, a silicone curing agent, a hindered phenol antioxidant and a solvent. The method of making the non-stick polymer coated aluminum foil includes applying the polymer coating composition on at least a portion of one side of the aluminum foil and partially curing the coating composition to allow handling and future processing of the coated aluminum foil without blocking of the coating composition. The curing of the coating composition is completed by heating the coated aluminum foil in bulk.

Aluminum foil, or tin foil, common aluminum foil,is a paper-thin, shiny sheet of aluminum metal. It’s made by rolling large slabs of aluminum until they are less than 0.2 mm thick.

It’s used industrially for a variety of purposes, including packing, insulation and transportation. It’s also widely available in grocery stores for household use.

At home, people use aluminum foil for food storage, to cover baking surfaces and to wrap foods, such as meats, to prevent them from losing moisture while cooking.

People may also use aluminum foil to wrap and protect more delicate foods, like vegetables, when grilling them.

Lastly, it can be used to line grill trays to keep things tidy and for scrubbing pans or grill grates to remove stubborn stains and residue.

How to use aluminum foil sheet better

Aluminum foil sheet is a common spare in home cabinets. It has the advantages of low price, easy to use, disposable, no cleaning, high temperature resistance and heat preservation.

(1) Oil-proof and cleaning aids. First of all, we can fold the aluminum foil at a more beautiful angle and spread it on the plate. Then we can put on greasy dishes. After eating, as long as the aluminum foil is removed, the cleaning can be done more easily. Similarly, it can also be laid on the dipping board to cut greasy food materials, so as to prevent the dipping board from being difficult to clean. Or before cooking, the aluminum foil can be pasted on the wall in front of the gas stove, so as to avoid the oil stains sprayed difficult to remove.

(2) Carbon baking and flavor enhancement of wrapped food materials, of course, can also be wrapped in aluminum foil for barbecue, such as corn, it can lock the fresh and sweet flavor of food materials! Aluminum foil generally has a light and fog surface. One side of aluminum foil is bright, the other side is not bright, how to use it? aluminum foil shiny side up or down.Aluminum foil is divided into smooth surface and fog surface, so which side should be directed towards the photothermal place? Fog surface is easier to absorb heat, so the fog should be directed towards the photothermal place, in order to play its role. Therefore, when baking food, wrap the food in the bright surface of aluminum foil and face the charcoal fire in the fog, the food is easy to bake.

Some people say that barbecuing with aluminium foil can cause cancer, but the Health Bureau points out that there are no reports about the toxic substances produced by barbecuing food covered with aluminium and tin foil. However, based on safety considerations, the Department of Health advises consumers not to drop acid substances such as lemon juice into aluminium foil when baking food wrapped in aluminium foil, because aluminium foil is a metal. When metals are mixed with acid substances, chemical changes will occur, which is prone to produce harmful substances to human body.

(3) It can help freeze quickly. Meat or seafood bought from the market can be wrapped in fresh film, then wrapped in a layer of aluminum foil art into the freezer, so that food can be frozen faster and keep food fresh!.

And don’t throw away used aluminum foil like this! Let’s reuse them again! 1. We can crush used aluminum foil into a small ball and throw it into the drain hole of the dishwasher. The aluminium foil ball will collide with the drainage hole after being washed by water, which will produce metal ions. The drainage hole is not easy to stick to the greasy residue of kitchen and has the function of deodorizing.

(4) There are many edges and corners in the rolled aluminium foil, which can scrape like sandpaper. At this time, it can be used to scrape the peel of potatoes, burdock, ginger and other fruits without worrying about too much peeling, and the details are easy to peel, becoming a safe peeler.

(5) It can also be used to remove the burning part of the bottom of the pot. However, if the family is using stainless steel pot, avoid using this method, easy to scratch.

(6) The blunt scissors in the home can easily be restored by cutting them on two or three layers of aluminum foil on grill. Similarly, you can also fold several overlapping sheets of aluminum foil, and then cut them slowly with a kitchen knife, as a ready-made grindstone!

(7) It may not be necessary in the tropics. In countries like Japan, Europe and the United States where winter snows, when the weather is cold, drainage pipes are liable to freeze and water cannot come out. At this time, the water pipe can be wrapped with non stick aluminum foil, which is said to insulate the frozen air.

Aluminium foil for seal yoghurt containers

Aluminium foil is widely used to seal yoghurt containers (e.g. plastic cups) and owing to the acidic nature of yoghurt and the necessity of heat sealing, the aluminium foil is normally coated with a layer of plastic. If the preformed type of plastic cup is used, the aluminium foil lids are usually precut and around 2500–3000 lids are packed into a special magazine to minimise mechanical damage. The diameter of these lids is <100 mm, and they usually have a pull-tab for easy opening.

For yoghurt packaged using the form-fill-seal technique, the aluminium foil is delivered to the dairy as a reel, with the width of the reel being varied in relation to the number of filling heads (abreast) on the packaging machine. The aluminium foil (gauge around 40 μm) is similar to that of the precut type, but the embossing process is omitted since it would serve no function.

The gauge of the foil is around 40 μm, and each lid is normally embossed. The embossing pattern can be varied to suit the customer’s requirements and the impression can be up to 100 μm in depth. The embossing is essential to facilitate easy pickup of single lids from the magazine assembly prior to placing over the filled cup and heat sealing.

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Classification of aluminum foil in details

Aluminum foil is a kind of very thin aluminium coil, strip or sheet obtained by rolling aluminium and aluminium alloy strip coil. Aluminum and aluminium alloy sheets and strips with thickness less than 0.2mm are generally referred to as aluminium foils.

Classification of aluminium foil:

According to the shape, it can be divided into rolled and flaky aluminum foil. Aluminum foil products are mostly supplied in rolls, and only a few handicraft packaging users use aluminum foil sheet.

According to the thickness, it can be divided into three kinds: thick aluminum foil, single zero aluminum foil and double zero aluminum foil. Thick foil is 0.1-0.2mm thick foil, single zero foil is 0.01mm thick foil and less than 0.1mm thick foil, double zero foil is thickness of the decimal point after two zero foil.

(3) According to the state, the main foils are hard aluminum foil, soft aluminum foil, semi-hard aluminum foil, one quarter of hard foil and three quarters of hard foil.

(4) According to the surface state, it can be divided into single-sided aluminum foil and double-sided aluminum foil.

(5) According to the use, it can be divided into packaging aluminum foil, commodity aluminum foil, electrical equipment aluminum foil and construction aluminum foil.

Properties of aluminium foil:

Aluminum foil has thin and light material, high specific strength, good gloss, high thermal conductivity and conductivity, high moisture-proof, non-toxic, tasteless, good optical rotation, thermal insulation and good corrosion resistance.

Can you bake cookies on aluminum foil

Can you bake cookies on aluminum foil? yes,you can.

First of all,you may know about aluminum foils.

What is aluminum foil used for? How do you use it to bake cookies? Does it have any effect when baking? Have you ever used it? It is important to know the importance of using the aluminum foil in the kitchen. The aluminum foil performs various functions in the kitchen. Most people use the foil when baking and cooking other foods. The foil helps to keep the food moist. It can be used when baking cookies too.

Aluminum foil has long been used as a barrier layer in flexible packaging. The production of aluminum foil begins with a series of cold roll steps where the thickness of an aluminum ingot is reduced in half with each step. In the final step below 60 μm, the foil is doubled over and sprayed with oil (for release). The foils are rolled together to the final thickness, separated, rerolled, slit into the desired width, and annealed. Annealing is a critical step to ensure the quality of the foil. The annealing

removes the oil;

creates a stronger, more uniform oxide crystalline structure;

creates a wettable surface;

provides a more homogenous surface;

controls oxide crystal growth to prevent sticking between foil layers in the roll.

The suggestion of aluminum foil for bake cookies :

To line a baking pan with aluminum foil. it will allow for the foil to go up the sides and leave a good-sized overhang, enough to grab when the baked item is finished. So you can use the overhang as handles, to lift the baked item from the pan with.

You can bake cookies on aluminum foil, but you should be aware that they will cook faster and the bottoms will brown more and get crispy. I would suggest using a slightly lower temperature and briefer baking time.

Aluminium foil insulation for air conditioner&refrigerator

Aluminum foil for insulation is a layer that can be used in combination with any materials, or on its own to help cut heating and cooling costs for your home.

Aluminium foil is widely used for radiation shield (barrier and reflectivity), heat exchangers (heat conduction) and cable liners (barrier and electrical conductivity). Aluminium foil’s heat conductive qualities make it a common accessory in hookah smoking: a sheet of perforated aluminium foil is frequently placed between the coal and the tobacco, allowing the tobacco to be heated without coming into direct contact with the burning coal.

When installing aluminum foil insulation, there are a few important considerations. The first is location. Research indicates that foil insulation works best when it is placed near the heat source. This means that stapling it to the inside of the roof trusses or rafters is the best way to keep heat out in summer.

Second,aluminum foil for house wrap to stop heat from radiating outward through the walls, as well as beneath the floor, which is more important in winter applications.

The third consideration when installing foil insulation is getting a tight seal. When properly installed as a house wrap, foil insulation can act as a barrier against air transfer, drastically reducing drafting in your house.

Aluminum foil insulation is a thin blanket made up of one or more layers of aluminum and plastic substrate, which reflects heat rather than merely slowing it down or resisting it as other insulations do. It is most commonly applied to a roof or attic, where it can effectively reflect the sun’s heat before that heat can infiltrate the home.

Aluminum foil for electromagnetic shielding

The shielding effectiveness of aluminium foil depends upon the type of incident field (electric, magnetic, or plane wave), the thickness of the foil, and the frequency (which determines the skin depth). Shielding effectiveness is usually broken down into a reflection loss (the energy bounces off the shield rather than penetrates it) and an absorption loss (the energy is dissipated within the shield).

Aluminum foil for electromagnetic shielding:

Excellent High Frequency RF Shielding characteristics

Effective barrier against Low Frequency AC Electric Fields when grounded.

Electrically Conductive

Weather Resistant

Can be used as a Vapor Barrier – not breathable

Heavy Duty / Tear Proof

Flexible and light weight which allows for an easy installation

Safe to handle and non-toxic

Although aluminium is non-magnetic, it is a good conductor, so even a thin sheet reflects almost all of an incident electric wave. At frequencies more than 100 MHz, the transmitted electric field is attenuated by more than 80 decibels (dB) — however actual energy absorption is minimal: the remaining high-frequency rf energy is almost perfectly reflected from uniform flat aluminium surface, and thus, reflected signal may continue to propagate internally, and if holes or passages of suitable geometry exist in the shield, signal propagation may continue out through those, the aluminium being good material for implementation of a microwave-frequency waveguide.

Thin sheets of aluminium are not very effective at attenuating low-frequency magnetic fields. The shielding effectiveness is dependent upon the skin depth. A field travelling through one skin depth will lose about 63 per cent of its energy (it is attenuated to 1/e = 1/2.718… of its original energy). Thin shields also have internal reflections that reduce the shielding effectiveness.For effective shielding from a magnetic field, the shield should be several skin depths thick. Aluminium foil is about 1 mil (25 μm); a thickness of 10 mils (250 μm) offers less than 1 dB of shielding at 1 kHz, about 8 dB at 10 kHz, and about 25 dB at 100 kHz. At these frequencies a ferromagnetic material such as mild steel is much more effective, due to different and complementary electromagnetic permeability properties, and common practical shielding implementations utilise both an inner high-frequency reflective material such as aluminium, preferably bonded (via annealing or electroplating, done to avoid capacitance between separated layers), to a more substantial structural ferromagnetic shell, usually mild steel (in specialized applications, more expensive, less structurally useful and less workable materials may be preferred.) Despite the relative low mass density of aluminium, this design is usually both lighter and more effective than an equivalently absorptive design utilizing aluminium alone.

What is the properties of aluminum foil

What is aluminium foil

Aluminium foil is a very thin sheet of rolled aluminium supplied in its pure form (‘commercial purity’) or in a variety of alloys and tempers which give a wide choice of tensile properties.

The thickness of aluminum foil sheets ranges from the thinnest currently produced commercially at about 0.0065 mm (or 6.5 µm) to the defined upper limit of 0.2 mm (or 200 µm). Material thicker than 0.2 mm is defined as sheet or strip.

Aluminium foils thicker than 25 μm are impermeable to oxygen and water. Foils thinner than this become slightly permeable due to minute pinholes caused by the production process.

Aluminium foil has a shiny side and a matte side. The shiny side is produced when the aluminium is rolled during the final pass. It is difficult to produce rollers with a gap fine enough to cope with the foil gauge, therefore, for the final pass, two sheets are rolled at the same time, doubling the thickness of the gauge at entry to the rollers. When the sheets are later separated, the inside surface is dull, and the outside surface is shiny. This difference in the finish has led to the perception that favouring a side has an effect when cooking. While many believe (wrongly) that the different properties keep heat out when wrapped with the shiny finish facing out, and keep heat in with the shiny finish facing inwards, the actual difference is imperceptible without instrumentation. Increased reflectivity decreases both absorption and emission of radiation. Foil may have a non-stick coating on only one side. The reflectivity of bright aluminium foil is 88% while dull embossed foil is about 80%.

The attributes of aluminum foil art

• Abundance – aluminium is plentiful with no danger of world depletion.

• Barrier efficiency to light, gases, oils and fats, volatile compounds and water vapour

• Temperature resistance from deep-freeze to oven processing

• Heat conductivity and reflectivity

• Electrical conductivity

• Strength and durability

• Compatibility with foods and pharmaceuticals

• Ease of lamination and coating

• Flexibility

• Formability and non-returning dead-fold

• Decorative potential, brilliant or matt surface

• Printability by flexo, gravure and offset litho

• Non-toxicity

• Low weight

• Recyclability

• Corrosion resistance

• Cost-effectiveness – optimum performance yet resource economy

Surface finish

Corrosion Resistance

The naturally-occurring surface oxide on all aluminium in the presence of oxygen in the atmosphere acts as a shield and renders foil substantially corrosion resistant. Aluminium is also chemically resistant in contact with substances in the pH range 4 to 9.

Compatibility with food and chemicals

Non-reactive except to substances of high acidity or alkalinity (see Corrosion Resistance). Resistant to most common compounds in solution.

Formability

Dead fold

Non-absorbency

Non-absorbent and proof against grease, oil, water and other liquids.

Hygiene

Foil is sterile following annealing, and does not harbour or support the growth of bacteria.

Toxicity

Aluminium is present in many fresh vegetables and is non-toxic in amounts and compounds normally encountered. The metal does not accumulate in the body and is non-reactive with virtually all foods, drugs and cosmetics.

Taste, odour

Tasteless and odour-free, alu foil imparts no detectable taste or odour to foodstuffs.

Opacity

Foil is a solid metal. It transmits no light and is a total barrier to light including the UV spectrum.

Reflectivity

Reflects approximately 98% of radiant heat and light.

Non-magnetic

Aluminium is insignificantly magnetic and therefore provides excellent electrical shielding.

Recyclability

Aluminium is easily recycled. Plain aluminium foil can be compacted and re-melted. Laminated aluminium is processed to separate the supporting layers and the aluminium residue is reused in other applications. In addition, the energy contained in the thin foil component of a laminate can be recovered in the form of heat.