Lead-free tin soldering wire high quality

Rosin core soldering wire is :
1.Made of pure tin and cooper from Yunnan Tin
2.high purity
3.for high-density instrument
Lead-free tin soldering wire

Purpose: lead solder 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
please contact me and inform me your latest requirements and any comments.

Usage:

For high -density instrument, aerospace,lecctronics,printed circuit board,parts and other industries.