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Aluminium Coil for Rolling Into Foil

Product Description


Technical for Aluminium Foil Stock


1. Application


This Specification is Applied to Rolling of 0.006 to 0.009 mm Grade Aluminum Foil


2. Item


2.1. Alloy and Temper : AA1235 , 8011,8079 H14


2.2. Size : Thickness: 0.25-0.45 mm, width: 980-1520 mm


3. Tolerance


3.2. Size Tolerance


3.2.1. Thickness Tolerance : +,- 3%


3.2.2. Width Tolerance : +,-1mm


3.2.3. Flatness tolerance : Below 20I


3.2.4. Loosen Wraps are not Allowed


Telescoping : Max.10 mm


Lamination : Max.5 mm


3.2.5. Coil ID : 405 mm or 505 mm


3.3. Outside Quality


3.3.1. Edge Quality : No Tears and Burrs and Without Impact Wound at The Edge


3.4. Surface Quality


3.4.1. Surface Shall be Clean any Oxidation


3.4.2. Surface Lightness Shall be All of Same


Roughness : 0.4 – 0.5 mic


3.4.3. Surface Shall Be Free From Corrosion, Slag Inclusion, Press In Piece Of Non-Metal And Also Without Oil Stain


3.4.4. Surface Shall Be Clean, Without Severe Impact Wound, Roll Mark, Longitudinal Striation, Transversal Striation, Herringbone Striation, Pin Holes Which Shall Effect Further Rolling


3.5. Internal Quality


3.5.1. Grain Size : Below 40 mic


3.5.2. Hydrogen contents : 0.12 mL per 100 g




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Product Categories : CC Aluminium Coils And Sheets