used with Tongyong environment protective soldering flux and oxidation resistant oil, better effectiveness
Each index is favorable and reliable, passes the inspection of Quality Supervision & Inspection Center of Special Materials of State Ministry of Information and international inspection organization SGS, with lead content lower than 100ppm. Under strict quality monitoring of CQC, with high-purity fine tin, advanced melting technique, and unique oxidation-resistant alloy formula, Tongyong lead-free tin bar is of little slag, bright and reliable welding spot, and good wettability.
Lead-Free Solder
High-Purity Solder Bar
Low-Temperature Solder
Product Name 210A 202A 203 202B 202B 210A
Composition Sn99.25 Sn96.5Ag3.5 Sn96.5Ag3 Sn97Ag3 Sn97.5 Sn99.3
Cu0.75 Cu0.5 Ag2.5 Cu0.7
Melting Point 227ºC 221ºC 219ºC 221ºC 230ºC 220ºC 227ºC
Condensation 217ºC
Point
Specific 7.3 7.4 7.4 7.4 7.4 7.3
Gravity <500ppm <500ppm <500ppm <500ppm <500ppm <500ppm
<20ppm <20ppm <20ppm <20ppm <20ppm <20ppm
<100ppm <100ppm <100ppm <100ppm <100ppm <100ppm
<100ppm <100ppm <100ppm <100ppm <100ppm <100ppm
Tensile 32.2 53.5 32.2 32.2 32.2
strength
Young's 34 41.6 34 34 34
Rate
Tensile 50 46 50 50 50
strength
Standard ROHS/ ROHS/ ROHS/ ROHS/ ROHS/ ROHS/
GB/T 20422-2006 GB/T 20422-2006 GB/T 20422-2006 GB/T 20422-2006 GB/T 20422-2006 GB/T 20422-2006
Flow of use Weld Maintenance Weld Maintenance Silver Electrode Coating/Specified / Low-temperature soldering Weld dilution/ Weld Maintenance Weld Maintenance Weld Maintenance
|
Home
