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FAQ

Yes, aluminum coils can be used for roofing applications. Aluminum is a popular choice for roofing due to its lightweight nature, durability, and resistance to corrosion. It is commonly used for both residential and commercial roofing projects.

What is the structure of Aluminium Chloride at 180, 192.4 (melting point) and 200 degrees celsius? When does it exist as an ionic lattice and when as a Al2Cl6 dimer?

Aluminium chloride sublimes (turns straight from a solid to a gas) at about 180°C. If it simply contained ions it would have a very high melting and boiling point because of the strong attractions between the positive and negative ions. The implication is that it when it sublimes at this relatively low temperature, it must be covalent. The dots-and-crosses diagram shows only the outer electrons. Hope that help Check here for more information; www.chemguide .uk/atoms/bonding...

Aluminum coils are typically packaged for transportation by first being tightly wound and then securely strapped with steel bands. They are often placed on pallets and covered with protective materials such as plastic or cardboard to prevent damage during transit. Additionally, the coils may be loaded into containers or onto flatbed trucks, ensuring proper handling and stability throughout the transportation process.

I would like to know why the ionic substance aluminium oxide doesn't dissolve in water.

It does dissolve, but only slightly. It has a solubility of about 0.0001 under atmospheric pressure, it doesn't dissolve because the aluminium is extremely strongly bonded to oxygen, so it can't dissociate very much at all. If you want to dissolve aluminium oxide, you should use an alkaline solution.

The maximum width and thickness of aluminum coils can vary depending on the specific requirements and capabilities of the manufacturer. However, generally speaking, aluminum coils can have a maximum width ranging from 36 inches to 72 inches or even wider. As for the thickness, it typically ranges from 0.006 inches to 0.25 inches. It is important to note that these dimensions may vary in different industries and applications, so it is always best to consult with the manufacturer or supplier to determine the specific maximum width and thickness that meets your needs.

The width tolerances for aluminum coils can vary depending on the specific requirements and industry standards. Generally, the tolerances range from +/- 0.005 inches to +/- 0.25 inches. However, specific applications may have more stringent requirements or looser tolerances depending on the intended use of the aluminum coils. It is important to consult the relevant specifications and guidelines provided by the manufacturer or industry standards to determine the exact width tolerances for a particular application.

i have received an aluminium cooker,it's in good condition but the outside is discoloured by oil splatters.The body is round ,i have used baking soda+vineger( mix with water and boil for an hour) to clean the insides,it came off clean but outside i have no clue. used a lot of elbow grease,my hands are paining now..i have this thing for gleaming utensils ,any suggestions with homemade things,don't want to buy anything

To clean discolored aluminum you can also heat 2 teaspoons cream of tarter per quart of water. It would be best to let the cooker soak in the mixture, but that might be difficult depending on the size of your cooker. Lemon juice or lime juice should also help because they have citric acid. You could cut a lemon in half and rub the halves on the cooker, then try scrubbing with something that has some texture to it (rough sponge or steel wool). The try the vinegar or cream of tarter mixture again. Whatever you use, don't try bleach as it is highly alkaline and dissolves aluminum. This leaves copper deposits can make it turn black.

No, aluminum coils are not typically used in high-pressure applications due to their lower strength and less resistance to deformation compared to other materials such as steel.