Aluminium circle for some use

Ref Price:
Loading Port:
China Main Port
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
-

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

Aluminium foil acts as a total barrier to light and oxygen (which cause fats to oxidise or become rancid), odours and flavours, moistness, and germs, it is used broadly in food and pharmaceutical packaging. The purpose of aluminium is to make long-life packs (aseptic processing|aseptic packaging) for drinks and dairy goods, which allows storing without refrigeration. Aluminium foil containers and trays are used to bake pies and to pack takeaway meals, ready snacks and long life pet foods.

Aluminium foil is widely sold into the consumer market, often in rolls of 500 mm (20 in) width and several metres in length.It is used for wrapping food in order to preserve it, for example, when storing leftover food in a refrigerator (where it serves the additional purpose of preventing odour exchange), when taking sandwiches on a journey, or when selling some kinds of take-away or fast food. Tex-Mex restaurants in the United States, for example, typically provide take-away burritos wrapped in aluminium foil.

Aluminium foils thicker than 25 μm (1 mil) 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 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.The reflectivity of bright aluminium foil is 88% while dull embossed foil is about 80%.

We provide a full range of precision aluminum strip for almost any application. We produce aluminum strip in a wide variety of alloys, including clad composites. Our aluminum strip can be produced in standard dimensions or custom made to your special requirements. We produce both imperial and metric units. We manufacture in compliance with the main international specifications, and tighter tolerances or custom tempers are available upon request. We offer various surface conditions, custom finishes (painting, anodizing, embossing), special processing, and multiple packaging options to meet our customer's unique requirements. The following is a summary of our capabilities.

Manufactured in compliance with the main international specifications and standards, including:  Aluminum Association, ASTM, EN, and DIN.
We can also manufacture in compliance with other international standards including:ASME, SAE, AMS, AWS, FED, MIL, QQ, ISO, BS, AFNOR, JIS and GOST.

Manufactured in compliance with the main international specifications and standards.
Tighter tolerances are available upon request.


Aluminium (or aluminum; see spelling differences) is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery white, soft, ductile metal. Aluminium is the third most abundant element (after oxygen and silicon), and the most abundant metal in the Earth's crust. It makes up about 8% by weight of the Earth's solid surface. Aluminium metal is so chemically reactive that native specimens are rare and limited to extreme reducing environments. Instead, it is found combined in over 270 different minerals.The chief ore of aluminium is bauxite.

Aluminium is remarkable for the metal's low density and for its ability to resist corrosion due to the phenomenon of passivation. Structural components made from aluminium and its alloys are vital to the aerospace industry and are important in other areas of transportation and structural materials. The most useful compounds of aluminium, at least on a weight basis, are the oxides and sulfates.

Despite its prevalence in the environment, no known form of life uses aluminium salts metabolically. In keeping with its pervasiveness, aluminium is well tolerated by plants and animals. Owing to their prevalence, potential beneficial (or otherwise) biological roles of aluminium compounds are of continuing interest.

The earliest citation given in the Oxford English Dictionary for any word used as a name for this element is alumium, which British chemist and inventor Humphry Davy employed in 1808 for the metal he was trying to isolate electrolytically from the mineral alumina. The citation is from the journal Philosophical Transactions of the Royal Society of London: "Had I been so fortunate as to have obtained more certain evidences on this subject, and to have procured the metallic substances I was in search of, I should have proposed for them the names of silicium, alumium, zirconium, and glucium."

Davy settled on aluminum by the time he published his 1812 book Chemical Philosophy: "This substance appears to contain a peculiar metal, but as yet Aluminum has not been obtained in a perfectly free state, though alloys of it with other metalline substances have been procured sufficiently distinct to indicate the probable nature of alumina."[69] But the same year, an anonymous contributor to the Quarterly Review, a British political-literary journal, in a review of Davy's book, objected to aluminum and proposed the name aluminium, "for so we shall take the liberty of writing the word, in preference to aluminum, which has a less classical sound."

The -ium suffix conformed to the precedent set in other newly discovered elements of the time: potassium, sodium, magnesium, calcium, and strontium (all of which Davy isolated himself). Nevertheless, -um spellings for elements were not unknown at the time, as for example platinum, known to Europeans since the 16th century, molybdenum, discovered in 1778, and tantalum, discovered in 1802. The -um suffix is consistent with the universal spelling alumina for the oxide (as opposed to aluminia), as lanthana is the oxide of lanthanum, and magnesia, ceria, and thoria are the oxides of magnesium, cerium, and thorium respectively.

The aluminum spelling is used in the Webster's Dictionary of 1828. In his advertising handbill for his new electrolytic method of producing the metal in 1892, Charles Martin Hall used the -um spelling, despite his constant use of the -ium spelling in all the patents[58] he filed between 1886 and 1903. It has consequently been suggested[by whom?] that the spelling reflects an easier-to-pronounce word with one fewer syllable, or that the spelling on the flyer was a mistake.[citation needed] Hall's domination of production of the metal ensured that aluminum became the standard English spelling in North America.


Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Could you tell me the difference between the 6063 aluminum plate and the 5052 aluminum plate?
6063 and 5052 alike: aluminum alloys with Mg Mg as the main alloying elementThe difference is that, in addition to the magnesium Mg element, there is also a silicon Si element in the 6063 aluminum plate. The strength is slightly better than that of 5052
Q:is copper wire really better than aluminum?
I believe the fence techs are mistaken. On an electric fence, the wire is basically bare, and the periodic 10 kV shocks are very low current. Aluminum is cheap, and once it develops surface oxidation, will last. Copper would last, too - it would just cost more. For photovoltaic panels, copper is almost always the wire of choice. At #8 or larger, use stranded, of course. Copper has less resistance, which will be important in low-voltage PV. Also, aluminum wire cannot be simply put into fittings designed for copper; it must use special fittings designed for aluminum, or connected to copper with a wire nut and antioxidant.
Q:Aluminum...and planes?
The density of aluminum is MUCH lower than cast iron (thus, aluminum is LIGHTER). Because it is lighter, it would be much more ideal for applications like plane building, which is why aluminum is used over cast iron in airplanes. As well, aluminum has a protective coating called aluminum oxide which protects it from corroding in water. [Answer: see above]
Q:Is it dangerous to eat foods baked in aluminum foil (Alzheimer's)?
No, I don't think it is dangerous to eat food baked in either side (shiny or matte side) in an aluminum foil. It is dangerous though to put aluminum foil inside a microwave oven to cause those electromagnetic fields to catch fire unless you have a microwave with a cavity magnetron tube to reflect the electromagnetic fields and also don't try to chew and ingest the aluminum foil
Q:What does 3003-O aluminum mean?
There are four basic states of aluminum alloys:F--Free the condition of a product after a normal working procedure requires no special heat treatment or hardening, and the mechanical properties are not limited.
Q:Doesn't the acidity of soda drinks dissolve aluminium cans?
The old tin ones and bottles hurt when you smash them on your forehead
Q:How does the reflective film stick to the aluminum plate?
Put the plate clean, dry, reflective film a head from the aluminum back 2CM at the beginning attached to the aluminum plate, wrapping, pull to the front, back and side brush paper hanging tear reflective film side with the hanging brush to the aluminum paste, try to avoid bubbles.
Q:Do you think Aluminum bat are dangerous?
No they are not but they are STUPID. Has a story or poem ever had the PING of the bat? No! It's the CRACK of the bat that's what the game is all about.
Q:Soldering aluminum cylinder, strength?
to your setup i might merely persist with the iron. It would not sound like the burden mark downs is going to be properly actually worth the greater suitable probability for a on a regular basis motive force. forged iron is merely greater rugged and can take greater abuse than aluminum. Aluminum has its place yet its no longer in a on a regular basis motive force like it variety of feels you're development.
Q:Aluminum plate 90 degree bending, why cracking?
Should be the aluminum sheet material and status is wrong, I wonder what brand aluminum plate?.Use 1060 Aluminum plate, condition: soft, 90 degree bending, won't crack

1. Manufacturer Overview

Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range