Ang panlabas na ibabaw ng cable ay kailangang nakabalot sa isang layer ng aluminyo foil para sa proteksyon at shielding. Ang ganitong uri ng aluminyo foil ay karaniwang gawa sa 1145 grade industrial purong aluminyo. Pagkatapos ng patuloy na paghahagis at paggulong, malamig na pagulong, paghiwa at kumpletong annealing, it is divided into small coils according to the length required by the user and supplied to the cable foil compounding plant. The surface of the aluminum foil is covered with plastic. The film is cut into several small strips and supplied to the cable factory in a reel shape.
The cable foil is made by attaching a special plastic film (0.058mm makapal na makapal) on the upper and lower surfaces of 0.15mm-0.20mm makapal na aluminyo foil. There are two methods of attaching: dry attaching and wet attaching. The dry method uses a high temperature (200℃) roll pressing method to attach the film; the wet method uses glue. Sa kasalukuyan, most of them use dry methods. After attaching the plastic film, use a special instrument to tear off the film from the aluminum foil to determine the degree of adhesion of the plastic film. This measurement data is very important and is called peel strength. According to the communication cable industry standard (code YD/T723.2-94), the strength should not be less than 6.13N/cm; in addition, the heat sealing strength should not be less than 17.5N/cm. The surface quality of aluminum foil is the main factor that affects the peeling strength. The main surface quality problems are oil spots, kaagnasan, and over-oxidation.
The cable foil uses the airtightness and shielding properties of aluminum foil, and is coated with plastic film on one or both sides to form an aluminum #plastic composite foil, which is used as a cable shield. The cable foil needs to have a small amount of oil on the outside, no holes, and high mechanical properties. Sa pangkalahatan ay nagsasalita, the length of the cable aluminum foil is extremely strict.
Aluminum foil is commonly used as a cable shielding material for a number of reasons, including its effectiveness against electromagnetic interference (EMI) at panghihimasok sa dalas ng radyo (RFI), kakayahang umangkop, at pagiging epektibo sa gastos. Here are some key reasons why aluminum foil is used in electrical cables:
EMI and RFI Shielding: Aluminum foil provides excellent electromagnetic interference (EMI) at panghihimasok sa dalas ng radyo (RFI) shielding properties. It acts as a barrier that reflects and absorbs electromagnetic waves, preventing them from penetrating the cable and interfering with the signals carried by the inner conductors.
Kakayahang umangkop: Aluminum foil is highly flexible and can conform to the shape of the cable, making it suitable for a variety of cable designs and configurations.
Banayad na timbang: Aluminum foil is a lightweight material, and using aluminum foil as a shield does not significantly increase the weight of the cable.
Paglaban sa kaagnasan: Aluminum foil has natural corrosion resistance due to the thin oxide layer formed on its surface.
Henan Huawei Aluminyo Co., Ltd. ay ang lider ng maraming mga tagagawa ng aluminyo at mga supplier sa China. Mahigpit naming kontrolin ang kalidad at tumuon sa mga customer. Umaasa kami na magkaroon ng malalim na pakikipagtulungan sa iyo at magbigay sa iyo ng mataas na kalidad na mga produkto ng materyal ng aluminyo pasadyang mga serbisyo ng OEM. Kung nais mong makakuha ng mga pinakabago at pinakamahusay na presyo sa pamamagitan ng per kg o per ton standard weight, mangyaring makipag ugnay sa amin.
