ã€China Aluminum Network】 Aluminum foil can be divided into industrial aluminum foil and packaging aluminum foil. Industrial aluminum foil has a relatively pure chemical composition and a thickness of 0.005 to 0.2 mm. It is mainly used as a capacitor, thermal insulation material, and moisture proof material in the electrical and electronic industries. Packaging aluminum foil thickness is generally 0.007 ~ 0.1 mm, there are flat foil, printing foil, printing foil printing and crepe paper aluminum foil and other products, mainly used as food, tea, cigarettes and other packaging materials.
Abrasive belts belong to coated abrasives. It is also called flexible abrasives. When polishing, it is more flexible and safe than the solid grinding wheel, and it has the advantage of higher precision and lower cost.
Calcined aluminum oxide has the advantage of quite small coefficient of expansion, excellent hydrophilicity , great toughness and great great strength. Calcined Aluminum Oxide Abrasive Cloth usually used for polishing stainless steel, hard metal, titanium alloy, casting metal and welding lines.
After 30 years` development, Abrasive Cloth grinding has become a complete and self-contained system of new processing technology. Because of its high processing efficiency, wide application range, strong adaptability, low cost, safe and convenient operation, it is well received by customers. In foreign countries, Abrasive Belt grinding technology has made great progress. It can be applianced for more and more processing object . It can process almost all engineering materials, from the general daily life appliance to application of large aerospace equipment.
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High quality and low price,
Available in vary grit.
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The aluminum foil can be produced in a strip production method with a thickness of up to 0.0025 mm and a width of up to 1800 mm. Aluminum foil rolling is no roll seam rolling, and the roll is always in an elastically compressed state. During rolling, the thickness of the foil is controlled by adjusting the rolling force, rolling speed and controlling the tension. In the rough rolling, the rolling force is used to control the thickness of the foil; in the finish rolling, the thickness of the foil is reduced as the rolling speed increases; the greater the tension, the smaller the thickness; in order to prevent the break, the tension is usually selected as the foil The material has a yield strength σ0.2 of 0.2 to 0.4. For low speed rolling, “thick oil†or “thin oil†is often added to the lubricating oil to adjust the rolling thickness of the aluminum foil. Lubricants and roll conditions have a very important influence on the foil quality. The aluminum foil blanks are from cold-rolled aluminum coils and are generally pre-annealed at 340-480°C and have a thickness of 0.4-0.7 mm. The duct deformation rate during rolling is about 50%, and the total deformation rate can reach 95% or more. Foil with a finished thickness of less than 0.01 to 0.02 mm should be rolled and double rolled. 