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Al foil Enquiry
AL-FOIL TECHNICAL SHHET
 1.Application
This specification is covered alumininium foil which alloys are A1235,A8079,A1100
No Alloy Usage
1 A1235 Electronic cable, Packaging, Building, Capacitor, Pharmaceutical Packaging etc
2 A8079 Pharmaceutical Packaging, Lami-tube, Cap etc
3 A1100 Electronic, Heat transfer, Packaging, Building, Decoration, Cap etc
 2.Chemical Composition
Item Fe Si Cu Mn Mg Zn Ti Others Al
each total
A1235 Fe+Si=0.7↓ 0.1↓ 0.05↓ 0.05↓ 0.05↓ - 0.03↓ - 99.35↓
A8079 0.7-1.3 0.05-0.30 0.05↓ - - 0.10↓ - 0.05↓ 0.15↓ RE
A1100 Fe+Si=1.0↓ 0.05~0.20 0.05↓ - 0.10↓ -

0.05↓

0.15↓ 99.00↑
%Heavy Metal Content : Cd + Hg + Pb + Cr+6 < 100 p.p.m
 3.Mechanical Properties
Guage
(㎛)
A1235 A8079 A1100
 T/S(kgf/㎜) E/L(%)   T/S(kgf/㎜) E/L(%)   T/S(kgf/㎜) E/L(%) 
5~12 6.0-9.0 3↑ 7.0-10.0 3↑ - -
15~30 6.0-9.0 10↑ 7.0-10.0 10↑ 9.0-11.0 10↑
40~80 6.0-9.0 15↑ 7.0-10.0 15↑

9.0-10.0

15↑
80~100 6.0-9.0 25↑ 7.0-10.0 25↑ 9.0-10.0 25↑
4.Physical Properties(A1235)
Item Unit Result
Coeff of Linear expansion m/℃ 23.5
Thermal conductivity W/㎥℃ 225(Sofr temper)
Specific Heat J/㎏℃ 917
Resistivity 10-3/℃ 4.0
Melting Range 600~660℃
 5.Demesion and Tolerance
5.1 Demension
     Refer to the customer's requirement.
5.2 Tolerance of gauge
Item Test Method Tolerance
Avg.Guage(㎛) Weight Method(using the electonic balace) ±5%
5.3 Tolerance of width
Width(mm) Tolerance
> 1000 ±0.5
< 1000 ±1.0
 6.CORE
6.1 Tolerance
Item Outter Dia(mm) Inner Dia(mm) Guage Camber
Dimension Tolerance Dimension Tolerance
73Ø 73.0 ±0.5/-0 70.2 - 1.4 -
75Ø 80.6 ±0.1 75.2 ±0.1 2.7 0.15mm
76Ø 81.6 ±0.1 76.2 ±0.1 2.7 0.15mm
152Ø 160.0 - 152.0 +0.6/-0

4.0

0.2mm
156Ø 166.0 - 156.0 +0.6/-0

5.0

0.2mm
203Ø 217.0 +0.4/-0 203.0 +0.6/-0

5.0

0.2mm
6.2 Length : According to what agreed
6.3 Protrusion Length : According to what agreed
 7.Joint
7.1 Joint should be welded by ultrasonic and clearly flagged on the edge of the reel
7.2 No. of Joint : Max one per roll(length : 6000m)
 8.Pin-hole
8.1 Test Method
  One a light box, consist of a translucent glass, lit from below by a luminous source giving an
even illumination of 1000 lux to 1500 lux
Dim the light in the room in with the test is carried out between 20 lux to 50 lux
Observe the test sample from a distance of approximately 50cm.
8.2 Limit Value
Gauge Value Sample size
5㎛ 15EA↓ 10cm X 10cm
6㎛ 15EA↓
6.5㎛ 12EA↓
7㎛ 10EA↓
8㎛ 8EA↓
9㎛ 6EA↓
10㎛ 4EA↓
15㎛ 0EA↓
 9.Appearance and surface
9.1 5㎛~39㎛ : One side bright, one side matter
  39㎛~ : Both side are bright
9.2 Appearance is determined by the purchase order
 10.Wettability
10.1 Limit value : 72dyne/㎝↑ or Grade A
10.2 Test Method : Spray Test
10.3 Test Liquid : Distilled Water
 11.Label
11.1 Label or roll
  -Should be included as follows;
①Lot.No ②Date of manufacture
③Gauge ④Width
⑤Length ⑥Weight
⑦Alloy ⑧Temper
11.2 Label of wooden box
  -Should be included as follows;
①Width of product ②No. of Box
③Net weight ④Gross Weight
 12.Packing
The rolls are packed in wooden case in such away that they are protected from damage and
contamination during transport and storage
12.1 Method of packing