HYDROPHLIC ALUMINIUM FOILS FOR FINS OF RADIATORS
Commodity: Aluminium hydrophlic foils
Specification
category | Alloy | Temper | Specification(mm) | |
Organic hydrophlic aluminium foil | Blue, | AA1100 | O | Thickness:0.08-0.30 |
Inorganic hydriphlic aluminium foil | LG white and green |
Thickness tolerance(mm)
Thickness(mm) | Tolerance(mm) |
0.080 | ±0.005 |
> 0.115-0.130 | ±0.008 |
> 0.130-0.32 | ±0.010 |
Width tolerance(mm)
Width(mm) | tolerance |
≤500 | +1.0,-0.5 |
> 500 | ±1.0 |
Inspection items
Item | Features & requirements | Test items | Test methods | Requirements | |
1 | Coating thickness | Thickness | Chambre captivity | (Single side)(0.001mm-0.002mm) | |
2 | Adgesiive power | Adhesion test | Blade grid maker | Coat not fall off | |
Cupping test | Cupping machine | Coat not fall off | |||
bend test | Vise | Coat not fall off | |||
3 | hydrophilic(initial stage) | Contact angle | Drip contact | ≤10°or ≥2.5mm | |
After washing | Drip contact | ≤15°or≥2.5mm | |||
Water drop test | ≥3.0mm | ||||
4 | (continuance)hydrophilic | Dead water dipping test | Dry and met cycle tank | ≤30°or≥2.5mm | |
Dry and wet cycle test | ≤35°or≥2.5mm | ||||
5 | Corrosion | Salt.spray test | (72h)Salt.spray tester | ≥tNo9.8 | |
6 | Heat-resisting Property | 200℃ | Heat 5℃ min in the oven at 200℃ | | |
7 | Solvent Resistance | Heat and dissolve trethylene | ≤1% | ||
8 | Alkaline Resistance | The change of hydrophilicity after alkali eroding | ≥2.5mm | ||
9 | Anti-volatility | Naphtha's effect on coat's hydrophilicity | ≥2.5mm | ||
10 | Trethylene-resistant | trethylene's on coat's hydrophilicity | ≥2.5mm | ||
11 | Shapability | During manufacturing, check the abrasion of high died mould by hydro-coat. | No abrasion to high died mould |
Application
for air conditioners radirators fins, refregerators radiator fins,other radiators fins
Actual application pictures: