Silver solder PSrMO 5 (VPr-9)
Silver solder PSrMO 5 (VPr-9) from Ecotec: a two-component alloy with 5% silver and 2% copper. Melting point 780°C. Used for high-quality joining.
Description: PSrMO 5 (VPr-9) solder is a two-component silver-copper alloy.
Regulatory documentation: PSrMO 5 (VPr-9) solders are manufactured in accordance with GOST 19738-2015, PSrMO 5 (VPr-9) wire — GOST 19746-2015, PSrMO 5 (VPr-9) strip — GOST 19739-2015.
Chemical composition of silver solders:
|
Solder grade |
Chemical composition, % |
|||||||||||||
|
Ag |
Cu |
Zn |
Sn |
Mn |
Sb |
P |
Cd |
Ni |
Pb |
Impurities, max |
||||
|
Pb |
Fe |
Bi |
Sum of determined impurities |
|||||||||||
|
PSrMO 5 (VPr-9) |
5.0±0.5 |
2.0±0.5 |
— |
Balance |
— |
1.0±0.2 |
— |
— |
— |
— |
0.200 |
0.20 |
0.015 |
0.40 |
Solder dimensions:
|
Solder grade |
Thickness, mm |
Width, mm |
Length, mm |
|||
|
Min |
Max |
Min |
Max |
Min |
Max |
|
|
PSrMO 5 (VPr-9) |
0.1 |
5 |
50 |
200 |
100 |
400 |
Wire diameter:
|
Wire grade |
Diameter, mm |
|
|
Min |
Max |
|
|
PSrMO 5 (VPr-9) |
0.5 |
6 |
Melting point, density, and electrical resistivity:
|
Solder grade |
Density, kg/m3 |
Melting point, K (°C) |
Electrical resistivity, 10-3 Ohm·m |
|
|
Upper critical point |
Lower critical point |
|||
|
PSrMO 5 (VPr-9) |
7400 |
513 (240) |
488 (215) |
15.3 |
Applications:
Solder PSrMO 5 (VPr-9) is used for soldering and tinning of copper, nickel, copper and copper-nickel alloys with silver-plated ceramics, and for soldering silver-plated parts.
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