aluminium foil for industrial use
Aluminum foil roll quality requirements?
(1) The thickness of two pieces of alucoil should be uniform, and the thickness deviation is not more than ±3%
(2) before rolling, the double surface is evenly sprayed with double oil. If the double oil is not evenly sprayed, the dark surface will produce color difference after rolling.
(3) After winding, the cutting edge of each side should be 10-15mm, and there should be no crack, burr and edge clamping. Hemming trimming is to cut off the seams to ensure that the width of the two pairs of aluminum coils is the same.
(4) when rolling, there can be no wrinkling and discount phenomenon. For separate rolling alufoil, two pieces of alufoil, the tension is as consistent as possible, the tension is generally 10-20mpa, to avoid a loose and a tight, otherwise it is easy to cause rolling broken belt.
(5) On the separate winding alucoil requires neat end face, no room layer, winding tension control should be reasonable, to avoid loose winding or "edge".
(6) The original state of two alu foil to close the coil is close. If intermediate recovery annealing is to be carried out, the annealing should be carried out after the double annealing. Otherwise, when double rolling, because of the original state is different, rolling deformation is not uniform, easy to cause broken belt.
Product Details
| alloy | 1235 8011 8079 1200 |
| temper | 0 |
| thickness | 0.0055mm-0.03mm |
| width | as your request |
| usage | to be used for food packaging /cigarette packaging after lamination |
| surface | one side bright,one side matt |
| color | slivery |
| packaging | free fumigated wooden box |
aluminium foil for industrial use
The appearance quality
A, double zero foil with cold rolling strip surface are not allowed to have A serious scratch, loose dendritic pattern, corrosion, oil stain, peeling, metal and non-metallic pressure into the influence of the defects of further processing.
B,The double zero coil on the surface of the cold-rolled steel strip is allowed to have slight color unevenness, and the stripes do not affect the defects of further processing.
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