OEM Branding

Aluminum Foil for Heat Exchangers (Fin Stock)

Mainly used for fins in evaporators and condensers.
Surface treatments: plain foil, hydrophilic coated foil (blue/gold), hydrophobic coated foil (white/black), anti-mold/antibacterial coating, etc.
Alloy SeriesTypical TemperThickness Range (mm)Characteristics and Applications
1100O, H22, H24, H260.08–0.20Pure aluminum, excellent thermal conductivity, commonly used as base material for hydrophilic foil
8011O, H22, H24, H260.08–0.20Slightly higher strength, most widely used base material for hydrophilic and hydrophobic coatings
1030BH220.10–0.15Frequently used in high-end Japanese systems
3003H14, H240.08–0.12Better corrosion resistance, used in mid-to-high-end units
4343+3xxx+4343 Clad FoilH140.08–0.15Brazing clad foil, used in micro-channel and parallel-flow condensers

Tubing (Heat Transfer Tubes and Connection Tubes)

Brazing Clad Aluminum Materials (Nocolok brazing, mainly for automotive heat exchangers and some residential parallel-flow condensers)
  • Clad sheet: 4045/3003, 4343/3003/4343
  • Clad strip: used for bending into headers
  • Micro-channel tube + clad fin + clad header → fully brazed assembly

Type

Common Specifications

Alloy/Temper

Applications

Smooth tubeoothSmooth tube

Φ5, Φ7, Φ7.94, Φ9.52 mm etc.

1050, 1070, 1100, 3003 / O, H14

Copper tube replacement, used for rifled tubes

Internally rifled tube

Φ5 mm, Φ7 mm (50–70 teeth)

3003, 3102 / H12

Mainstream choice for residential AC evaporators and condensers

Pancake coil

3.0–25.4 mm

1070 / O

Connection tubes, insulated lines

Micro-channel parallel flow tube (MPE)

16×1.8 mm, 20×2.0 mm, 25.4×2.4 mm etc.

1100, 3003 / H112

Automotive parallel-flow condensers, residential micro-channel heat exchangers

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