Lead-free solder wire Sn99.3Cu0.7

Lead-free solder wireSn99.3Cu0.7
1.diameter:above 1.0mm
2.the composition: Sn99.3%Cu0.7%
3.the payment:T/T
4.the weight:need
Lead-free solder wire,Resin-cored welding wires of this series are made of the latest compound formula scaling powder with high technical content and manufactured with the most advanced automatic equipment. To cater to requirements of greater precision and more sophistication in recent years in the electronics industry, our company has developed several new high quality products.

They are characterized by quick fusion, good wettability and excellent expansibility.
Cores will not break and splash away and they have no odor.
They also have full, bright and firm welding spots.
They have bright and clean appearance.
Helixes are orderly and good-looking.

Symbol: JF-02
Shape & tolerance: wire
Appearance: lucent, no dirt on surface
Weight: 15KG/box or so
Features: 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°C
(2) Specific gravity: about 7.4
Alloy composition:
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°C 7.38
2.2% 227°C 7.34
3.3% 227°C 7.40