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The production process and using of tape aluminum foil

Edit:Mingtai Date: 2019-07-10 11:07
Tape foil, used to make aluminum foil tape commonly used in electronic products. The aluminum foil tape is made of high-quality pressure-sensitive adhesive, which has the advantages of good adhesion, strong adhesion, anti-aging and good heat preservation performance.
The tape foil alloys commonly used in the industry are in the state of 1235 and 8011, and can be subdivided into soft and hard states, single-sided and double-sided. Production processes vary according to different performance requirements.
First, the tape foil 1235 alloy is different from the 8011 alloy component, with 1 being pure aluminum and 8 being other alloys. There are also some differences in the process. The annealing temperature of 1235 alloy is the same as that of 8011 alloy, but the annealing temperature of 1235 alloy is lower. From the perspective of finished products, the strength of 1235 alloy tape foil and 8011 tape foil is slightly different. The tensile strength of 8011 alloy is higher than that of 1235 alloy. The elongation of 2mm5083 aluminum plate is not much different from that of 1235 alloy, slightly higher. some.
Secondly, the tape foil is divided into soft and hard states, namely H18 and O state. The hard tape foil production process does not require annealing, but sometimes it requires baking; the soft tape foil needs to be annealed to make it soft. There are more tape foils on the market using 1235/O alloys.
Then, the tape foil is divided into single-sided light and double-sided light, and single-sided light generally requires a bright surface to face outward. The production process of single-sided light is more complicated, mainly in the rolling process of 2a12 hard aluminum plate. Single-sided light needs to open, split, and roll the finished product, and the roll needs to be changed several times; It is relatively simple, the thick material can directly open the blank to the finished product without changing the roll. If it is a thin material, the roll needs to be replaced, and the production process is long.
In summary, the main process of tape foil is in turn blanking, rolling, slitting, annealing (according to performance requirements), packaging.
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