8021 aluminum foil is a common aluminum alloy material with the following characteristics:
8021 aluminum alloy composition:
אֲלוּמִינְיוּם (אל): About 99%.
סִילִיקוֹן (ו): אוֹדוֹת 0.05%.
בַּרזֶל (Fe): אוֹדוֹת 0.35%.
נְחוֹשֶׁת (Cu): אוֹדוֹת 0.10%.
Manganese (Mn): אוֹדוֹת 0.10%.
מגנזיום (Mg): אוֹדוֹת 0.05%.
Zinc (Zn): אוֹדוֹת 0.10%.
8021 aluminum foil physical properties:
צְפִיפוּת: 2.71 g/cm³.
Melting point: about 660°C.
Linear expansion coefficient: 23.1 μm/m °C (20-100 מעלות צלזיוס).
מוליכות תרמית: 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, חַמצָן, odor, light and microorganisms.
עמידות בפני קורוזיה: 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, גְזִירָה, formed and sealed.
יכולת עיבוד: easy to process and form, suitable for various processing techniques, such as stamping, stretching, וכו.
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.
