SOLDER POWDER
Quality solder begins with quality powder and alloys.
All Qualitek soldering alloys exceed J-STD-006 and ASTM B-32 Specifications
LEAD FREE ALLOY COMPOSITIONS
ALLOY COMPOSITION
MELTING RANGE
(oC / oF)
BAR
WIRE
PASTE/ POWDER
SPHERE
Ecolloy TM
221-227 / 430-440
-
Sn100e TM
228 / 442
Bi58
Sn42/Bi58
139 E / 282
-
Sn96.5
Sn96.5/Ag3.5
221 E / 430
Sn95
Sn95/Ag5
221 - 245 / 430 - 473
LF217
Sn95.5/Ag4.0/Cu0.5
217 - 219 / 422 - 426
SAC 387
Sn95.5/Ag3.8/Cu0.7
217-219 / 422-426
SAC 357
Sn95.8/Ag3.5/Cu0.7
217-221 / 422-426
SAC 405
Sn95.5/Ag4.0/Cu0.5
217-221 / 422-426
SAC 105
Sn98.5/Ag1.0/Cu0.5
217-228 / 422-442
-
-
-
Sn99
Sn99.3/Cu0.7
227 E / 440
Sb5
Sn95/Sb5
232-240 / 450-464
STANDARD ALLOY COMPOSITIONS
ALLOY COMPOSITION
MELTING RANGE
(oC / oF)
BAR
WIRE
PASTE
SPHERE
Sn63/Pb37
183 E / 361 E
Sn60/Pb40
183-190 / 361-374
Sn50/Pb50
183-214 / 361-420
-
-
Sn45/Pb55
183-225 / 361-440
-
-
Sn40/Pb60
183-238 / 361-460
-
Sn20/Pb80
183-280 / 361-536
-
-
Sn10/Pb90
268-302 / 514-576
-
Sn62/Pb36/Ag2
179-189 / 345-372
Sn10/Pb88/Ag2
268-299 / 514-570
PARTICLE SIZE CHART
MESH SIZE
MICRONS SIZE
PARTICLE TYPE
-200 +325
75-45
2
-325 +500
45-25
3
-400 +635
38-20
4
-500
25-15
5
-635
15-5
4