8021 Алуминиевото фолио е общ материал от алуминиева сплав със следните характеристики:

8021 състав на алуминиева сплав:

Алуминий (Ал): За 99%.
Силиций (И): около 0.05%.
Желязо (Fe): около 0.35%.
Мед (Cu): около 0.10%.
Манган (Мн): около 0.10%.
Магнезий (Mg): около 0.05%.
Цинк (Zn): около 0.10%.

8021 физични свойства на алуминиево фолио:
Плътност: 2.71 g/cm³.
Точка на топене: около 660°C.
Linear expansion coefficient: 23.1 μm/m °C (20-100 °C).
Топлопроводимост: 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, кислород, odor, light and microorganisms.
Устойчивост на корозия: 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:

Сила: 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, изрежете, formed and sealed.
Обработваемост: easy to process and form, suitable for various processing techniques, such as stamping, stretching, и т.н.

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.