Embossed aluminum foil is a material that enhances its performance by applying an embossing process to its surface. This process is commonly used on the surface of aluminum foil to create an embossed effect with a textured pattern.
What is embossed aluminum foil?
Aluminum foil with an embossed surface is commonly referred to as embossed aluminum foil. The term "embossed" is usually used for thicker aluminum (foil thickness > 0.300 mm). To produce embossed aluminum foil, a smooth foil is processed with embossing rollers.
Characteristics of embossed aluminum foil
- 1. Surface Treatment: The surface of embossed aluminum foil is treated with embossing rollers to create a uniform textured pattern. This process increases the surface area of the foil, enhancing its resistance to adhesion and preventing the detachment of contaminants.
- 2. Thickness Specifications: Embossed aluminum foil typically uses thicker foil (foil thickness > 0.300 mm), which provides better physical strength and durability.
- 3. Enhanced Performance: The textured surface of embossed foil makes it more suitable for applications requiring long-term protection, reducing the time and effort needed for cleaning and maintenance.
Advantages of embossed aluminum foil
- Prevents Contaminant Detachment: The embossed surface effectively prevents the detachment of contaminants, maintaining cleanliness and aesthetic appeal.
- Extends Protection Time: The embossing process enhances the foil's abrasion resistance and corrosion resistance, extending its protection time.
- Reduces Cleaning Time: Due to its textured structure, embossed aluminum foil is more convenient to clean, saving time and effort.
Thickness Specifications of embossed aluminum foil
- Thickness Range: The thickness of embossed aluminum foil ranges from 0.030 mm (30 microns) to thicker specifications. Thinner foils (e.g., 0.030 mm) can be embossed, but due to their weak structure, they may tear and develop holes.
- Thicker Foil: For thicker aluminum foil (thickness > 0.300 mm), the term "embossed" is typically used, and this type of foil is also referred to as strip foil.
Common alloys for embossed aluminum foil
1100 embossed aluminum foil
1100 is one of the most commonly used alloys in aluminum foil, offering good machinability and corrosion resistance, suitable for food and pharmaceutical packaging.
1235 embossed aluminum foil
1235 alloy has excellent thermal conductivity and corrosion resistance, commonly used in food and pharmaceutical packaging materials. It is also suitable for applications requiring good ductility and crack resistance.
3003 embossed aluminum foil
3003 alloy provides excellent corrosion resistance and higher strength, commonly used in aluminum foil and packaging materials.
8079 embossed aluminum foil
8079 alloy excels in corrosion resistance and ductility, frequently used in high-end food and pharmaceutical packaging, especially in applications requiring extremely high purity.
Chemical Composition of embossed aluminum foil
| Alloy | Aluminum (Al) | Copper (Cu) | Manganese (Mn) | Silicon (Si) | Iron (Fe) | Magnesium (Mg) | Chromium (Cr) | Zinc (Zn) | Other Elements |
| 1100 | 99.00% | 0.05% | 0.05% | 0.10% | 0.12% | - | - | - | - |
| 1235 | 99.35% | 0.05% | - | 0.15% | 0.15% | - | - | - | - |
| 3003 | 89.0-91.0% | 0.20-0.60% | 1.0-1.5% | 0.10-0.40% | 0.70-0.90% | - | - | - | Other Elements (e.g., Nickel) |
| 8079 | 88.0-92.0% | 0.10-0.40% | 0.30-0.60% | 0.30-0.60% | 0.10-0.30% | - | - | 0.30-0.90% | Other Elements (e.g., Nickel) |
Applications of Embossed Aluminum Foil
Embossed aluminum foil, with its unique surface characteristics and durable performance, plays a significant role in areas such as construction and solar panels.
Construction Industry
Embossed aluminum foil is widely used in the construction industry, primarily as pipe insulation and laminated insulating boards. Its textured surface effectively enhances insulation performance while improving the material's durability.
Technical Insulation: Coarse-embossed aluminum foil is extensively used for technical insulation in construction, such as pipe insulation and laminated insulating boards. This embossing design improves the foil's insulation performance and durability.
Solar Panels
Embossed aluminum foil is also used in solar panels. In this application, the embossed foil helps improve light reflectivity and thermal management, enhancing the overall performance of solar panels.
Solar Panels: Coarse-embossed aluminum foil is used in solar panels to improve light reflectivity and thermal management.
Kitchen Applications
Baking and Grilling: Embossed aluminum foil also has versatile uses in the kitchen. It is suitable for baking, grilling, food storage, and heating. The foil effectively preserves the nutritional value and flavor of the food.
Dual-Sided Design: The dual-sided design of aluminum foil has different functions:
Shiny Side: Reflects heat, making it ideal for food storage to keep food fresh.
Dull Side: Suitable for contact with food, used to retain heat and provide better baking results.
Embossed Aluminum Foil Manufacturing Process
Embossing Process: During manufacturing, smooth aluminum foil is processed with specialized embossing rollers to create a surface with a specific texture. This process precisely controls the embossing effect to meet various application requirements.
Common Questions about Embossed Aluminum Foil
What are the widths available for embossed aluminum foil?
Our standard widths are 1, 000 or 1, 250 mm. However, we can also produce coils with a width of 53 mm.
What is "strip"?
Aluminum foil with an embossed surface is called embossed foil. The term "strip" is typically used for thicker embossed aluminum foil (thickness > 0.300 mm), also referred to as strip foil.
What thicknesses are available for embossed aluminum foil?
Our thinnest embossed aluminum foil has a thickness of 0.040 mm (40 µm).