MC Aluminum, as an experienced aluminum foil manufacturer, supplies hydrophilic aluminum foil in alloy grades such as 3102 and 8011. Our product specifications cover thicknesses from 0.08 mm to 0.5 mm and widths from 15 mm to 1000 mm. Colors are available in blue, gold, black, green, and more. The products are widely used in air-conditioning surface coolers, evaporators, condensers, heat dissipation fins, and other applications.
What Is 8011 Blue Hydrophilic Aluminum Foil?
8011 blue hydrophilic aluminum foil is a specially coated aluminum foil mainly used for manufacturing heat exchanger fins. It uses high-purity 8011 aluminum alloy as the base material, and the surface is treated with a blue hydrophilic coating to promote rapid drainage during operation.
Unlike ordinary bare aluminum foil, this hydrophilic coating prevents condensed water from forming droplets. Instead, moisture spreads into a thin film and quickly drains away, ensuring continuous airflow and improving heat exchange efficiency.
This unique blue coating also enhances corrosion resistance and extends the service life of heat exchanger components.
Why Choose 8011 Alloy?
The mainstream alloy grades for hydrophilic aluminum foil used in air conditioners include 1100, 3102, and 8011. Among them, 8011 aluminum foil stands out for its balanced overall performance due to its unique elemental composition, which contains relatively higher levels of Fe and Si.
Higher Strength
In H14 temper, 8011 aluminum foil has a tensile strength of 125–165 MPa and a yield strength of approximately 110 MPa, which is about 30% higher than pure aluminum foil. This means that fins made from 8011 aluminum foil are less likely to deform during stamping and offer higher dimensional accuracy.
Better Formability
8011 alloy has an elongation of about 2%–5%, combining good toughness with work-hardening characteristics. During high-speed fin stamping, 8011 can better meet the forming requirements of complex fin shapes.
Balanced Overall Performance
8011 offers a good balance among strength, ductility, and corrosion resistance. It is not as soft as pure aluminum and not as difficult to process as high-strength alloys, making it an ideal base material for hydrophilic coated aluminum foil.
Product Specifications
| Item | Specification |
| Alloy | 8011 |
| Temper | O / H22 / H24 |
| Thickness | 0.08–0.20 mm |
| Width | 100–1600 mm |
| Length | 100-16000mm |
| Coil ID | 150 mm / 300 mm / 405 mm / 505 mm |
| Surface | Blue Hydrophilic Coating |
| Coating Side | Single Side / Double Side |
| Coating Thickness | Customized |
| Tensile Strength | According to customer requirements |
| Elongation | Excellent forming performance |
| Applications | Air-conditioning fins, condensers, evaporators, heat exchangers, and more. |
| MOQ | 3 tons |
Core Advantages of 8011 Hydrophilic Aluminum Foil
1. Excellent Hydrophilic Performance
The hydrophilic coating allows condensed water to spread evenly across the aluminum foil surface, significantly reducing the contact angle and forming a continuous water film.
This directly brings two major benefits:
Improved heat exchange efficiency by about 5%: Condensed water does not block the gaps between fins, allowing air to flow smoothly.
Greatly reduced noise: It prevents water droplets from accumulating and causing vibration or abnormal noise under airflow impact.
2. Outstanding Corrosion Resistance
8011 blue hydrophilic aluminum foil is coated with an anti-corrosion layer, which can effectively resist oxidation corrosion generated during air-conditioner operation.
High-quality products can maintain a protection rating of R.NO ≥ 9.8 after a 500-hour salt spray test under neutral conditions using a 5% NaCl solution.
In addition, the hydrophilic coating can prevent oxide powder from the air conditioner from being blown into indoor spaces, meeting environmental protection requirements.
3. Anti-Mildew and Odor-Free
Antibacterial components are added to the hydrophilic coating, effectively inhibiting mold growth and ensuring that the air blown from the air conditioner remains fresh and odor-free.
For users who value indoor air quality, this is a very important hidden benefit.
4. Good Processing Adaptability
8011 blue hydrophilic aluminum foil has excellent formability and does not cause excessive mold wear, meeting the stamping requirements of various fin production lines.
It also offers strong resistance to stamping oil, solvents, and heat. The coating does not peel off under 200°C × 10 minutes, making it suitable for the demanding working conditions of high-speed stamping production lines.
5. Attractive Surface and Uniform Color
Blue hydrophilic aluminum foil has a clean appearance, uniform color, and high visual recognition. For some air-conditioner and heat exchanger manufacturers, the blue coating not only represents functional performance but also improves the appearance quality of the final product.
Manufacturing Process
As an experienced manufacturer, we maintain strict quality control at every stage of production.
Our production process includes:
Selection of high-quality 8011 aluminum ingots
Continuous casting and hot rolling
Cold rolling to precise thickness
Surface cleaning and degreasing
Chemical conversion treatment
Precision blue hydrophilic coating
High-temperature curing
Surface inspection
Thickness and coating quality testing
Professional export packaging
Every production step is strictly monitored to ensure consistent coating performance and dimensional accuracy.
Applications of 8011 Blue Hydrophilic Aluminum Foil
8011 hydrophilic aluminum foil is widely used in:
Residential air conditioners
Commercial HVAC systems
Central air-conditioning units
Evaporator fins
Condenser fins
Heat exchangers
Refrigerators
Heat pump systems
Industrial cooling equipment
Automotive air-conditioning systems
Its excellent thermal performance and corrosion resistance make it an ideal choice for modern refrigeration and air-conditioning equipment.
FAQ
Q1: What is 8011 blue hydrophilic aluminum foil used for?
A1: 8011 blue hydrophilic aluminum foil is mainly used to manufacture heat exchanger fins for refrigeration equipment, such as condensers and evaporators in residential air conditioners, automotive air conditioners, refrigerated cabinets, and other equipment.
Q2: What are the advantages of blue hydrophilic coating compared with bare aluminum foil?
A2: The hydrophilic coating allows condensed water to spread evenly instead of forming droplets. It helps improve heat exchange efficiency, reduce noise, enhance corrosion resistance, and meet environmental protection requirements.
Q3: What thicknesses are available for 8011 hydrophilic aluminum foil?
A3: The thickness range is usually from 0.08 mm to 0.5 mm.
Q4: Can you provide custom widths and coil sizes?
A4: Yes. Most manufacturers support customization. The width range is usually from 15 mm to 1000 mm, and some suppliers can extend it to 1650 mm or even 3100 mm. Coil inner diameter, coil weight, and other coil dimensions can also usually be customized.
Q5: Is the hydrophilic coating environmentally friendly?
A5: Yes. Hydrophilic coated aluminum foil is designed to meet environmental protection requirements. It can prevent oxide powder from air conditioners from being blown into indoor spaces. In addition, the use of water-based anti-corrosion coating technology makes it more environmentally friendly.
Q6: Which international markets do you export to?
A6: 8011 hydrophilic aluminum foil products are exported worldwide. Major markets include Japan, South Korea, Southeast Asia, Australia, the United States, Mexico, the Middle East, the European Union, and South America.
Q7: Do you provide free samples before bulk orders?
A7: Yes, free samples are available, but the shipping cost should be borne by the customer.
Q8: What are your minimum order quantity and production lead time?
A8: The minimum order quantity is 1–3 tons. The production lead time is usually 25–40 days.