7072 Industrial Aluminum Foil Rolls for Radiator Condensers
Evaporators
Description:
Specifications of Aluminum :
1 . Grade
1000 Series: 1050 1060 1070 1100 1200 1235 etc.
3000 Series: 3003 3004 3005 3102 3104 3105 3A21 etc.
5000 Series: 5005 5052 5083 5086 5154 5182 5251 5754 etc.
6000 Series: 6061 6063 6082 6A02 etc.
7000 Series: 7050 7075 7475 etc.
8000 Series: 8006 8011 8079 etc.
2 . Length: As per customer's request
3 . Temper: all tempers, H1X, H2X, H3X, O, HXXX
4 . Continuous casting and hot rolled both available
Mechanical Performance ( For Reference Only )
Temper
| Tensile Strength Rm(MPa) | Yield Strength Rp0.2(Mpa) | Extend Ratio A50(%) |
O |
80- 110 |
20 |
6.0 |
H22 |
100 - 135 |
16 |
5.5 |
H24 | 115 -145 | 12 | 5.0 |
H26 |
125 - 160 | 8 | 4.0 |
H18 | 160 | 1 | - |
Hydrophilic Foil Coating Layer Performance
S/N | Item | Technical data |
1 | Film Thickness | 1.0-2.0um ( one side average thickness) |
| 2 | Hydrophilicity | Primary contact angle 10° / Continuous contact angle 20° |
| 3 | Adherencce Strength | Erichsen test result ( pressed depth 5mm ), no peeling off. Gridding test (100 / 100 ) : No separating |
4 | Corrosion Resistance | Salt & Spray test ( 72 hours ) : R . N ? 9.5 |
5 | Alkai resistance | Dipped in 20o% Na OH under 20oC for 3 minutes, absolutely no
blister |
6 | Impregnant resistance | Sample weight loss ? 1 % |
| 7 | Heat resistance | Under 200oC keep 5 minutes, performance and colo unchanged Under 300oC keep 5 minutes, coating film become a bit yellow |
8 | Oil proof | 24 Hours, no blister on the coating layer |
9 | Coating film odor | No strange odor |
10 | Abrasion to mold | Same as ordinary aluminium foil |
Application:
Heat exchanger of wind energy, electronic industry, nuclear energy,
petroleum tube, shipping industry, etc
Package:
Standard Export wooden Case/Pallet
Characteristics:
Strong anti-corrosion;
Salt spray test:
1) epoxy coated aluminum foil:500 Hours,class 8 in PH<7;
2) hydrophilic aluminum foil:500 Hours,class 9.5 in PH=7.
