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RoHs Lead-free Soldering Wire
JLH lead-free solder higher mechanical strength with low electrical resistance for high grade  

RoHs Lead-free Soldering Wire
 
        100% lead free-----lead free complies with federal and state laws prohibiting lead in water systems, is used for non-electrical applications, such as: refrigeration and plumbing system repairs
  Most of the classical alloys used in the soft soldering are causing concern under the directive due to their high lead content.
 
       A range of lead-free solder alloys for use in the assembly of electronic and electrical components in printed circuit board processes .Produced from very high quality, virgin metals and smelted under a mitrogen atmosphere. The manufacturing process minimizes the formation of the superficial oxides during production. These alloys provide alternative to the traditional leaded alloy currently in use in turn ensuring the solder joints formed remain bright and free of soldering defects through minimising defects such as bridges flags and spikes during the soldering process.
 
       Lead-free may be used in the conventional wave soldering machines and solder pots without the use of the nitrogen blanket although maximum advantage can be gained from lead free solder alloy when flow solder machines are fitted with a nitrogen blanket facility in some instances.
Low lead impurity           
Good fluidity
Low generation of solder dross         
High mechanical strength
Low aggressive to solder pot material
   Alloying composition  Metling point 
 210A  Sn99.3-Cu  227C
 202A  Sn96.5-Ag  228C
 203  Sn96.5-Ag-Cu-Ce  229C
 204  Sn95.65-Ag-Cu-Sb  230C
 205  Sn90-Ag-Cu-Bi  231C
 202B  Sn97-Ag  232C
 201B  Sn99-Cu  233C
 
Standard Wire Diameters
xDiameter (inch)
0.125
0.092
0.062
0.050
0.040
0.031
0.025
0.020
 
Diameter (mm)  
3.18
2.33
1.57
1.27
1.01
0.80
0.63
0.50
 
Standard Wire Gauge
11
13
16
18
19
21
23
25