8021 Aluminum Foil For Package Industry
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8021 aluminum foil is commonly used in various industrial and packaging applications, and is often used in food packaging and battery pouches due to its excellent barrier properties, high tensile strength and corrosion resistance.
8021 Aluminum Foil Features
High Tensile Strength : 8021 aluminum foil has a relatively high tensile strength, making it suitable for applications that require high strength and durability.
Excellent Barrier Properties : It has excellent barrier properties, especially for moisture and gases. This makes it ideal for packaging applications where maintaining the integrity of the contents is critical.
Corrosion Resistance : 8021 foil is corrosion resistant and suitable for use in wet or corrosive environments.
Flexible and Soft : 8021 aluminum foil is strong yet still flexible and soft for easy shaping.
Thermal Conductivity : It has good thermal conductivity which is useful in some applications but is not its main characteristic.
Specifications of 8021 Aluminum Foil
| Specification | Value |
|---|---|
| Temper | H18, O, H14, H16, H22, H24 |
| Thickness(mm) | >0.006 |
| Core Material | Typical 3 inches (76 mm) |
| Surface Finish | Clean, Smooth Surface Finish |
| Packaging | Rolls, Sheets |
| Standards | ASTM, ISO |
Mechanical Properties of Aluminum Foil Alloy 8021
| Properties | Value |
|---|---|
| Tensile strength σb (MPa) | 90-110 |
| Elongation δ10 (%) | 13-18 |
| Cupping test value (mm) | 6.2-7.3 |
8021 Aluminum Foil Chemical Composition
| Element | Proportion |
|---|---|
| Si | ≤ 0.5-0.9 |
| Cu | ≤ 0.1 |
| Mg | ≤ 0.05 |
| Zn | ≤ 0.1 |
| Mn | ≤ 0.2 |
| Cr | ≤ 0.05 |
| Fe | ≤ 0.6-1.0 |
| Ti | ≤ 0.08 |
| Other | ≤ 0.05 |
| Other total | ≤ 0.15 |
| Al | remainder |
8021 Aluminum Foil Applications
Application fields : aluminum foil for lithium battery soft package aluminum-plastic film, cold-formed pharmaceutical aluminum foil packaging, etc.
Pharmaceutical Packaging : 8021 aluminum foil is widely used in blister packaging in the pharmaceutical industry. Its excellent barrier properties protect drugs from moisture, oxygen and light, ensuring their stability and shelf life.
Food Packaging : For food packaging applications such as packaging candy, chocolate and other moisture sensitive foods.
Cosmetic Packaging : Due to its barrier properties, 8021 foil is used in cosmetic packaging to protect the contents from moisture and external contaminants.
Battery Foil : In the electronics industry, it is used as a component in the production of lithium-ion batteries, and its barrier properties and conductivity are very important.
Flexible Ducts : 8021 aluminum foil is used in flexible ducts for HVAC systems due to its combination of strength and flexibility.
Cable Wrap : Used as a shielding material in the cable industry to protect cables from external interference and environmental factors.
Heat Exchangers : In some heat exchanger applications, 8021 foil can be used as a heat transfer material due to its thermal conductivity.
FAQ
Q: How do you ensure the quality of your products?
A: We subject our products to rigorous quality testing for optimal performance.
Q: What's the lead time for international deliveries?
A: Lead times vary, and we can provide estimates based on your location and order.
Q: How can I request technical support?
A: Contact our technical support team via email or phone for assistance.
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