8021 aluminium foil adalah bahan paduan aluminium umum dengan karakteristik sebagai berikut:
8021 komposisi paduan aluminium:
Aluminium (Al): Tentang 99%.
Silikon (Dan): tentang 0.05%.
Besi (Fe): tentang 0.35%.
Tembaga (Cu): tentang 0.10%.
mangan (M N): tentang 0.10%.
Magnesium (mg): tentang 0.05%.
Seng (Zn): tentang 0.10%.
8021 sifat fisik aluminium foil:
Kepadatan: 2.71 gram/cm³.
Titik lebur: sekitar 660°C.
Linear expansion coefficient: 23.1 μm/m °C (20-100 °C).
Konduktivitas termal: 125-150 W/m·K.
8021 aluminum foil alloy features:
Barrier performance: 8021 aluminum foil has excellent barrier performance and can effectively isolate external environmental factors such as moisture, oksigen, odor, light and microorganisms.
Ketahanan korosi: It has good corrosion resistance and can resist the erosion of various chemical substances.
Hygienic and safe: in line with international hygienic standards and food safety requirements, non-toxic, tasteless, suitable for pharmaceutical and food packaging and other fields.
Suitable for high temperature environment: It has high temperature resistance and is suitable for high temperature sterilization and heat sealing packaging.
Mechanical behavior:
Kekuatan: 8021 aluminum foil has good strength and can maintain stable mechanical properties during processing and use.
Extensibility: With good extensibility, it can be easily folded, cut, formed and sealed.
kemampuan mesin: easy to process and form, suitable for various processing techniques, such as stamping, stretching, dll..
The alloy composition and characteristics of 8021 aluminum foil make it a high-quality material widely used in pharmaceutical packaging, food packaging and electronics, providing good barrier properties, mechanical properties and corrosion resistance.
