Web Results

www.quora.com/Is-aluminum-foil-a-pure-substance

Only reagent grade elements could be called ‘pure’ or 100%. These would be used for analytical purposes or where other elements or compounds could contaminate a process. Cooking food does not require pure metal. Retail foil is apparently 92–99% pu...

en.wikipedia.org/wiki/Aluminium_foil

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.

www.enotes.com/homework-help/what-elements-aluminum-foil...

Get an answer for 'What elements are found in the product "aluminum foil?"' and find homework help for other Science questions at eNotes ... What are 5 pure elements that can be found in your home ...

www.aluminum-alloy.com/is-aluminum-foil-pure-aluminum.html

is aluminum foil pure aluminum . If you have any questions or good suggestions on our products and site, or if you want to know more information about our products, please write them and send to us, we will contact you within one business day.

answers.yahoo.com/question/index?qid=20080513170853AA6qDed

Aluminum metal (symbol Al, atomic # 13) is an element and therefore a pure substance. That said, if something is made out of aluminum (like aluminum foil) it is rarely pure aluminum and is typically an alloy composed of mostly aluminum with other metals.

www.answers.com/Q/Is_aluminum_foil_pure_substance

Aluminum foil conducts heat, but it cuts off air flow and reduces evaporation of fluids. Aluminum foil reflects and thus minimizes radiation transmission. With foods it is more useful as an insulator.

www.aluminum-alloy.com/is-aluminum-foil-pure.html

is aluminum foil pure . If you have any questions or good suggestions on our products and site, or if you want to know more information about our products, please write them and send to us, we will contact you within one business day.

uspackagingandwrapping.com/aluminum-foil-101.html

Aluminum foil manufacturers commonly use pure aluminum. In recent years it has become popular to add a variety of aluminum alloys engineered to add strength and reduce thickness of the aluminum foil. Once the alloy mixture is determined it is melted and poured onto a cast and rolled to form a large sheet of aluminum foil.

www.quora.com/Is-aluminum-a-pure-substance

Therefore, the word “pure” can be applied only to isolated substances. Aluminum cannot be separated in two or more components nor presents different properties at different points, thus it can be classified as substance (this applies only to pure aluminum samples; most commercial metals are covered by thin layer of oxide).

www.madehow.com/Volume-1/Aluminum-Foil.html

Aluminum foil is made from an aluminum alloy which contains between 92 and 99 percent aluminum. Usually between 0.00017 and 0.0059 inches thick, foil is produced in many widths and strengths for literally hundreds of applications. It is used to manufacture thermal insulation for the construction ...