Sunday, April 24, 2011

Soldering excellent Lead-free solder wire tin SnCu0.7

Solder wire is
1.made of pure tin and copper from Yunnan Tin
2.advanced processing,high purity
3.High purity, less dross
Purpose: leadless soldering wire (tin solder wire)in high temperature for electronics industry
Physical properties:
(1) Liquid temperature: about 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
1.Diameter:0.3mm-3.0mm
2.Item:Sn99.3/Cu0.7
3.Weight:250,...,500,...,800,900,1000g/roll

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