Chalco 's PCB entry material are processed with high-tech equipment, according to international standards, tolerance, flatness, diagonal can be well controlled, clean surface, no burrs on the four sides, and can be used in PCB manufacturing.
technical parameter |
Alloy
|
Si
|
Fe
|
Cu
|
Mn
|
Mg
|
Cr
|
Ni
|
Zn
|
Ti
|
Other
|
Al
|
single
|
total
|
1100
|
Si +Fe:0.95
|
0.05-0.20
|
0.2
|
-
|
-
|
-
|
0.1
|
-
|
0.05
|
0.15
|
99.0
|
|
|
Physical properties |
Alloy
|
Temper
|
Thickness(mm)
|
U.T.S(Mpa)
|
Elongation(%)
|
1100
|
H18
|
0.14-0.18
|
170-190
|
≥2
|
|
|
TOLERANCE |
Thickness(mm)
|
Width(mm)
|
Length(mm)
|
Diagonal(mm)
|
±0.005mm
|
+1 -0
|
+1 -0
|
≤2
|
|