Cold Casting Aluminum Mill Finish Rolls for Roofing Sheet Coils

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Cans cover (ring) pre-coated plates
First, the raw materials
Aluminum lid and pull the main substrate of aluminum from the southwest andNanshan Aluminum, the use of aluminum-magnesium alloy 5182H19, 5052H19. Itsproducts in the normal substrates of manganese and magnesium components addedto increase the tensile strength and elongation. Han and the lotion by theGerman food-grade chrome HD agent, the United States PPG epoxy phenolicpackaging coatings, and high-end DOS oil
Second, applications
Division I professional production of DOS card and aluminum cans with a coatingfor cans of the lid and pull the coated aluminum is widely used in beverage,beer, rice pudding, tea, cigarettes, cans and other products packaging. U.S.imports of food ash using electrostatic spray wax, cut by large waves, transverseshear, longitudinal easily processed into the system covered the pre-coatedaluminum manufacturers. Depending on the system covers equipment can makeweight and volume of different specifications to meet customer requirements.
Third, the application prospect
Cans of food packaging as lightweight, unbreakable, easy to carry transportcharacteristics, cans packaged foods will gradually replace the glass packagingfood. As China'seconomy continues to strengthen, improve people's living standards, consumptionwill be more and more cans, cans will be growing timber. Therefore, cans withthe amount of pre-coated aluminum coil will be more and more broad prospects.

Alloy & specification

Alloy^a	Coated panel,strip status	Status	Aluminum thickness^at/mm	Aluminum Specification^a /mm		Aluminum coil specification^a /mm
				Width	length	width	Steeve Φ
5052、5182	H46、H48、H49	H18、H19、 H36、H38、H39	0.22≤t≤0.50	500～1600	500～4000	20～1600	300、350、 405、505
a.Other alloy, specification of material can be negotiated

Aluminum thickness

Aluminum thickness	Thickness tolerance（±）
＞0.22～0.30	0.005
＞0.30～0.50	0.008

Width and Length

Alloy	Aluminum panel&coil length tolerance/mm		Aluminum Panel & coil width tolerance/mm /mm
	Aluminum panel&coil length tolerance/mm		Pop top		Pop can cover
	Length≤2000	Length >2000	width≤100	width >100	width≤1000	width >1000
5052 5182	+1 0	+2 0	±0.2	+1.5 0	+1.0 0	+1.5 0

Dynamic features

Alloy	Status	thickness（t）/mm	Room temperature tensile test results
			Tensile strength R_m/MPa	non-proportional extension strengthR_p0.2/MPa	elongationA_50mm /%
			≥
5052	H36	＞0.22～0.30	255～305	200	2
	H36	＞0.30～0.50	255～305	200	3
	H18、H38	＞0.22～0.30	270	210	2
	H18、H38	＞0.30～0.50	270	210	3
	H19、H39	＞0.22～0.30	290	220	2
	H19、H39	＞0.30～0.50	290	220	3
5182	H36	＞0.22～0.30	265～340	270	3
	H36	＞0.30～0.50	265～340	270	4
	H18、H38	＞0.22～0.30	330	285	3
	H18、H38	＞0.30～0.50	330	285	4
	H19、H39	＞0.22～0.30	340	295	3
	H19、H39	＞0.30～0.50	340	295	4

Coating function

Suppliershould ensure DOS oil of pop can cover is up to 5～10mg/m²/side, and coating surfaceshould be with even wax which is up to 40～100mg/m³/side

Food and packing industry pop can covercoating aluminum panels’ features:

Function		Coating weightg/m²	Deviation of coating	T Bend	MEK	High temperature sterilization	S Resist-ance	Acid resista-nce	Adhe -sion
Pop can Cover	Outer coating	3～6	≤10	≤2	＞50	See Note.1	-	-	1 Grade
Pop can Cover	Inner coating	10～13	≤10	≤2	-	See Note.1	See Note.2	See Note3	1 Grade
Pop can tab	2 sides coating	3～6	≤10	≤2	＞50	See Note.1	-	-	1 Grade
Note： 1 After121℃，30min distill，Internal and external coating without white, loss of light, peeling, and shedding. 2 After121℃，30min S corrosion，Internal and external coating without white, loss of light, peeling, and shedding. 3 After121℃，30min acid erosion，Internal and external coating without white, loss of light, peeling, and shedding.

Appearance

The surface of the pop cans cover coatingdoes not allow defects such as air bubbles, scratches, missing coating,over-burning, oil spots, stains, streaks, color, piebald, roller printing,embossing, periodic prints, chemical liquid etc which impact users.

Each coil allowed a joint which does notallow loose layer or dislocation, the joint can only be overlapped, which needto make the mark in the end, and each batch coil of joint is not morethan 10% of the total number of coils.

Services

Supporting services: Offering semi-finishedproducts & OEM services

Q: Is there any specific legislation or rules governing the use of aluminum coils in public areas?: <p>There are no universal special regulations for using aluminum coils in public places. However, regulations can vary by country, state, or even city. In some cases, building codes or safety regulations might dictate the use of certain materials, including aluminum coils, in construction or other applications within public spaces. It's important to check local regulations and guidelines to ensure compliance when using aluminum coils in public areas.</p>

Q: How do aluminum coils compare to nickel coils in terms of conductivity?: Aluminum coils generally have lower electrical conductivity compared to nickel coils. This is primarily because aluminum has a higher resistivity than nickel. In terms of conductivity, nickel is a superior conductor of electricity due to its lower resistivity. Therefore, nickel coils are often preferred in applications where high conductivity is crucial, such as in electrical circuits or heating elements. However, it is important to note that aluminum coils still possess reasonable conductivity and may be suitable for certain applications where cost-effectiveness or lightweight properties are more important factors to consider.

Q: What are the different coil uncoiling options for aluminum coils?: There are several coil uncoiling options for aluminum coils, including manual uncoiling, mechanical uncoiling, and motorized uncoiling. Manual uncoiling involves manually unwinding the coil by hand, while mechanical uncoiling utilizes a mechanical device such as a uncoiler or decoiler to unwind the coil. Motorized uncoiling, on the other hand, involves using a motorized system to unwind and feed the coil. Each option has its own benefits and is chosen based on the specific requirements and volume of the aluminum coil being processed.

Q: What are the common sizes and dimensions of aluminum coils?: The common sizes and dimensions of aluminum coils can vary based on the specific industry and application. However, there are some commonly used dimensions that are found across various industries. In the building and construction industry, aluminum coils are often available in widths ranging from 24 inches (609.6 mm) to 60 inches (1524 mm). The thickness of these coils can range from 0.019 inches (0.48 mm) to 0.032 inches (0.81 mm), although thicker gauges may also be available for specialized applications. For the transportation industry, especially in the manufacturing of automobiles and aircraft, aluminum coils are typically wider and thicker. Widths can range from 48 inches (1219.2 mm) to 72 inches (1828.8 mm), and thicknesses can vary from 0.035 inches (0.89 mm) to 0.125 inches (3.18 mm). In the food and beverage industry, where aluminum is commonly used for packaging purposes, the dimensions of aluminum coils can be smaller. Widths can range from 12 inches (304.8 mm) to 24 inches (609.6 mm), and thicknesses are usually around 0.006 inches (0.15 mm) to 0.020 inches (0.51 mm). It is important to note that these dimensions are not exhaustive and can vary depending on the manufacturer and specific requirements of the application. Therefore, it is always recommended to consult with suppliers or manufacturers to determine the most suitable sizes and dimensions for your specific needs.

Q: What are the weight and length specifications of aluminum coils?: The weight and length specifications of aluminum coils can vary depending on the specific application and industry requirements. However, typically aluminum coils can range in weight from a few hundred pounds to several thousand pounds, and in length from a few feet to hundreds of feet.

Q: Aluminum inventory of the company, placed for a little longer, there will be surface oxidation, white spot shape, after cleaning into black spots, affecting the use of. Is there a better and convenient way to save it?: 1. aluminum storage environment should be dry and bright, well ventilated, no corrosion climate.2. aluminum coil should try to avoid the leaks, snow.3. strengthen the management of rolling oil, its moisture content is controlled below zero point zero four percent.4. aluminum rolls should be packed in a sealed package and should be placed in the right amount of desiccant at the same time.5. do not immediately open the sealed package when it is transported from a low temperature zone into a region of high temperature and humidity.6. the humidity of the wooden shaft and box board of the packing box is not more than 18%, and the temperature of the color aluminum roll is not more than 45 degrees.7. aluminum rolls are prohibited from being stored with chemicals and moist materials during storage.

Q: Can aluminum coils be insulated?: Indeed, insulation can be applied to aluminum coils. It is a widespread practice to enhance energy efficiency and avoid heat loss or gain. Usually, the insulation material envelops the aluminum coil, creating a safeguarding coating that minimizes thermal transfer. This insulation method contributes to preserving the desired temperature within the coil and averting detrimental condensation. Moreover, insulation additionally enhances the overall functionality and durability of the aluminum coil system.

Q: What exactly happens in the reaction involving powdered aluminum and crushed iodine? I know that adding a few drops of water produces a lot of purple smoke and that it will flare up but what is the chemistry involved? And also, I know that the white residual left in the cup is Al2I6 but why is it acidic when water is added to it? It has a pH of between 1 and 2. What is the smoke that is produced and what causes the exothermic reaction?: iodine is an oxidizer, a good taker of electrons Aluminum is a great loser of electrons you have a redox reaction happening where Al loses electrons to become Al+3 , and Iodine takes electrons to become I-1 iodide since the reaction is forming the most stable material Al2I6, the reaction must be exothermic, when products are more stable than reactants,... the excess energy must be released. it is the release of this heat that evaporates some of the iodine crystals into the purple iodine vapor Al2I6 does a hydrolysis reaction with water: Al2I6 in water -- Al(OH)3 3 HI the byproduct Al(OH)3 is stable not soluble (a very weak base) but the byproduct HI is a very strong acid what is the smoke? upon adding water? could be steam, the purple smoke was iodine vapor

Q: This question asks for methods to clean an aluminum coil, which involves understanding the appropriate cleaning materials and techniques to avoid damaging the aluminum.: <p>To clean an aluminum coil, start by using a soft cloth or sponge dampened with warm water and mild dish soap. Gently wipe the coil to remove dirt and grime. Avoid abrasive materials or harsh chemicals that could scratch the surface. After cleaning, rinse the coil thoroughly with clean water to remove any soap residue. Dry the coil completely to prevent water spots or corrosion. For stubborn stains, consider using a specialized aluminum cleaner, but always follow the manufacturer's instructions and test on a small area first.</p>

Q: How much can i get for a gallon filled with aluminum Tabs from cans: Aluminum is not sold by the gallon, it is sold by the pound, so you need to weigh what you have to determine what it is worth. Aluminum is not expensive, so the price you can expect is around 30 to 60 cents per pound.. Contact local recycling centers near you to find out what the going rate for is in your area.

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