8021 El paper d'alumini és un material d'aliatge d'alumini comú amb les característiques següents:
8021 composició d'aliatge d'alumini:
Alumini (Al): Sobre 99%.
Silici (I): sobre 0.05%.
Ferro (Fe): sobre 0.35%.
coure (Cu): sobre 0.10%.
Manganès (Mn): sobre 0.10%.
Magnesi (Mg): sobre 0.05%.
Zinc (Zn): sobre 0.10%.
8021 propietats físiques del paper d'alumini:
Densitat: 2.71 g/cm³.
Punt de fusió: uns 660 °C.
Linear expansion coefficient: 23.1 μm/m °C (20-100 °C).
Conductivitat tèrmica: 125-150 W/m·K.
8021 aluminum foil alloy features:
Rendiment de barrera: 8021 aluminum foil has excellent barrier performance and can effectively isolate external environmental factors such as moisture, oxigen, odor, light and microorganisms.
Resistència a la corrosió: 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:
Strength: 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, tallar, formed and sealed.
Mecanització: 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.
