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Tension also has a great influence on the thickness of Aluminum Household Foil Rolls. The greater the tension, the smaller the thickness of the foil. In order to ensure that there will be no breakage during the rolling process, the raw materials of aluminum foil usually come from cold-rolled aluminum coils. These aluminum coils are Pre-annealing treatment is performed before rolling, and the temperature is generally between 340 and 480°C. We usually choose the appropriate tension based on the conditional yield strength σ0.2, which is usually between 0.2 and 0.4.
| Color | Silver |
| Usage/Application | Packaging |
| Width | upto 1220 mm |
| Packaging Type | Roll |
| Number Of Foil Rolls In Carton Box | 1 |
| Heat Resistivity | Yes |
| Thickness | 0.5-0.7 mm |
During low-speed rolling, we usually use "thick oil" or "thin oil" to adjust the rolling thickness of the aluminum foil. This is because the condition of the lubricant and rolls has a crucial impact on the quality of the foil. The thickness of the pre-annealed aluminum coil is approximately 0.4 to 0.7 mm. During the rolling process, the deformation rate of each pass is approximately 50%, and the total deformation rate of the entire rolling process can reach more than 95%. For those foils whose finished product thickness is less than 0.01-0.02 mm, we need to perform rolling and double-sheet rolling.
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