Solar Panels

Brazing alloys for manufacturing of:
Thermal solar panels

SOFT SOLDERS
Code Composition % Melting Range SOL — LIQ Standards Notes
Sn Pb Ag Cu °C DIN 1707 EN 29453
SnCu97/3 97     3 230-250 SnCu3 S-Sn97Cu3 RoHS Compliant
Ag1,5SnPb 5 93,5 1,5   296-301      
Ag5Sn 95   5   221-235 SnAg5   RoHS Compliant
SnPb50/50 50 50     183-215 Sn50Pb S-Pb50Sn50  
SnPb40/60 40 60     183-235 Pb60Sn S-Pb60Sn40
FLUXES
FLUX SN1 General Purpose. Available in liquid and paste.
COPPER AND COPPER-PHOSPHOROUS ALLOYS
Code Composition % Melting Range SOL — LIQ Standards Notes
Ag Cu P Sn °C DIN 8513 EN 1044
CuP6   94 6   710-800 L-CuP6 CP 203 Copper-copper and copper-brass joints. For joining copper to copper no flux is necessary. CuP7Sn is also available as flux-coated rod. Alloys with Silver are prefered for joints subject to vibrations.
CuP7   93 7   710-800 L-CuP7 CP 202
CuP8   92 8   710-750 L-CuP8 CP 201
CuP7Sn   86 7 7 650-700   CP 302
Ag0,4CuP 0,4 93 6,6   650-810    
Ag2CuP 2 91,5 6,5   650-810 L-Ag2P CP 105
Ag5CuP 5 89 6   650-810 L-Ag5P CP 104
Ag6CuP 6 87 7   650-740    
Ag15CuP 15 80 5   650-800 L-Ag15P CP 102
FLUXES
FLUX AG4 For Copper-Brass joints.
SILVER BASED ALLOYS
Code Composition % Melting Range SOL — LIQ Standards Notes
Ag Cu Zn Sn Cd °C DIN 8513 EN 1044 Alloys with Cadmium. Alloy Ag50Cd is suitable for Stainless Steel
Ag30Cd 30 28 21   21 610-690 L-Ag30Cd AG 306
Ag40Cd 40 19 21   20 595-630 L-Ag40Cd AG 304
Ag50Cd 50 15 16   19 620-640 L-Ag50Cd AG 301 Alloys without Cadmium, RoHS Compliant. Alloy Ag55Sn is suitable for Stainless Steel
Ag40Sn 40 30 28 2   640-700 L-Ag40Sn AG 105
Ag45Sn 45 27 25,5 2,5   640-660 L-Ag45Sn AG 104
Ag55Sn 55 21 22 2   630-660 L-Ag55Sn AG 103
Ag56Sn 56 22 17 5   620-650 L-Ag55Sn AG 102
FLUXES
FLUX AG1 General Purpose
FLUX AG4 General Purpose – Very wide range of temperature
FLUX AG7 General Purpose. Also for Stainless Steel.