|
Solder
Bars
|
|
Introduction
SMT's solder bars
exceed all international & military standards as shown.
SMT SOLDER SPECIFICATION
|
ELEMENT
|
SMT
SOLDER
|
JIS Z3282
|
QQS571E
|
DIN1707
|
BS219/1977
|
ASTMB32
|
|
CLASS A
|
CLASS B
|
|
SN% TIN
|
+0.5%
|
±1%
|
±0.5%
|
±0.5%
|
±0.5%
|
±0.5%
|
±1%
|
|
PB% LEAD
|
REMAINDER
|
|
SB% ANTIMONY
|
0.010
|
0.30
|
0.2-0.5
|
0.12
|
0.2
|
0.12
|
0.5
|
|
CU% COPPER
|
0.005
|
0.05
|
0.08
|
0.05
|
0.08
|
0.08
|
0.08
|
|
BI% BISMUTH
|
0.010
|
0.05
|
0.25
|
0.10
|
0.10
|
0.25
|
0.25
|
|
AS% ARSENIC
|
0.010
|
0.03
|
0.03
|
0.01
|
0.03
|
0.03
|
0.03
|
|
FE% IRON
|
0.010
|
0.03
|
0.02
|
0.02
|
0.02
|
0.02
|
0.02
|
|
AL% ALUMINIUM
|
0.001
|
0.005
|
0.005
|
MAXIMUM
0.002
|
0.001
|
0.005
|
0.005
|
|
ZN% ZINC
|
0.002
|
0.005
|
0.005
|
MAXIMUM
0.002
|
0.003
|
0.005
|
0.005
|
|
CD% CADMIUM
|
TRACE
|
0.005
|
0.001
|
MAXIMUM
0.002
|
0.005
|
--
|
--
|
|
OTHERS %
|
0.05
|
--
|
0.08
|
0.08
|
0.08
|
--
|
--
|
|
|
