8021 a folha de alumínio é um material comum de liga de alumínio com as seguintes características:
8021 composição de liga de alumínio:
Alumínio (Al): Sobre 99%.
Silício (E): sobre 0.05%.
Ferro (Fé): sobre 0.35%.
Cobre (Cu): sobre 0.10%.
Manganês (Mn): sobre 0.10%.
Magnésio (Mg): sobre 0.05%.
Zinco (Zn): sobre 0.10%.
8021 propriedades físicas da folha de alumínio:
Densidade: 2.71 g/cm³.
Ponto de fusão: cerca de 660°C.
Linear expansion coefficient: 23.1 μm/m °C (20-100 °C).
Condutividade térmica: 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, oxigênio, odor, light and microorganisms.
Resistência à corrosão: 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.
Comportamento mecânico:
Força: 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.
Maquinabilidade: easy to process and form, suitable for various processing techniques, such as stamping, stretching, etc.
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.
