Friday, June 3, 2011

Lead-free low temperature soldering wire

Lead-free low temperature soldering wire


Lead-free low temperature soldering wire

Purpose: leadless soldering wire (tin solder wire)in high temperature for electronics industry
Physical properties:lead-free low temperature solder wire
(1) Liquid temperature: lower than 227
(2) Specific gravity: about 7.4
Alloy composition:(tin alloy)
Tin (Sn)
Cuprum (Cu)
Plumbum (Pb)
Stibium (Sb)
Bismuth (Bi)
Zincum (Zn)
Ferrum (Fe)
Aluminum (Al)
Arsenic (As)
Cadmium (Cd)
99.3
0.7±0.2
<0.1
<0.02
<0.01
<0.02
<0.02
<0.02
<0.03
<0.02
Physical properties
Spec.(colophony content) Melting point Specific gravity (g/cm2)
1.1% 227 7.38
2.2% 227 7.34
3.3% 227 7.40
Sn-Pb solder wire, Sn60Pb40, Sn63Pb37, Sn50Pb50 etc
Lead free solder wire, SnAgCu, SnCu, SnAg, SnSb.
Flux cored solder wire, no clean solder wire, water soluble solder wire.

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