A grade Lead-free soldering wire(Sn99Ag0.3Cu0.7)

Lead-free soldering wire is with
1.active rosin cored flux from 1.8% to 3.3%
2.suitable for the static soldering
3.less dross
Lead-free soldering wire(Sn99Ag0.3Cu0.7)





Shape & tolerance: wire
Appearance: lucent, no dirt on surface
Weight: 15KG/box or so
Features: lead solder wire is made of pure tin and pure copper from Yunnan Tin Industry Co., Ltd., advanced processing with high purity .
Purpose: leadless soldering in high temperature for electronics industry
Physical properties:
(1) Liquid temperature: about 227
(2) Specific gravity: about 7.4
Alloy composition:(tin solder alloy)
Tin (Sn)
Ag
Cuprum (Cu)
Plumbum (Pb)
Stibium (Sb)
Bismuth (Bi)
Zincum (Zn)
Ferrum (Fe)
Aluminum (Al)
Arsenic (As)
Cadmium (Cd)
99
0.5
0.5±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

Lead-free soldering wire is suitable for use in any commercial hand soldering application.Lead solde may also be obtained in standard Sn&Cu or other alloys.
We can makde special products according to different tin solder demand for customersd order.