®
E-Bar
Oxide Free Extruded Bar Solder
Lead-bearing and Lead-free alloys
Product Description
Complicated electronic assemblies and printed circuit boards require not only conformance to industry material
specifications, but also alloys completely free of non-metallic oxides. Kester, in cooperation with the
electronics industry, designed and developed Kester E-Bar. It is the answer to thorough metallic continuity,
increased fluidity, and reduced surface tension. Electronic assembly engineers, who have depended on
Kester for answers to their soldering problems throughout the years, now are assured of the highest quality
soldering of printed circuit boards and electronic assemblies.
Maximum Allowed Impurities
Kester E-Bar substantially exceeds the requirements of current industry standards for allowable impurity
requirements.
Element
Copper
Gold
Antimony
Cadmium
Zinc
Aluminum
Iron
Arsenic
Bismuth
Silver
Nickel
Indium
Lead
J-STD-006
0.080
0.050
0.050
0.002
0.003
0.005
0.020
0.030
0.100
0.100
0.010
0.100
0.100
Kester
E-Bar
0.020
0.002
0.050
0.001
0.001
0.002
0.010
0.020
0.025
0.003
0.002
0.007
0.050
Kester
Ultrapure
®
0.015
0.002
0.050
0.001
0.001
0.002
0.010
0.020
0.020
0.002
0.002
0.007
0.050
Ultra Low
Dross
Ultrapure
®
HAL
0.015
0.002
0.050
0.001
0.001
0.002
0.010
0.020
0.020
0.002
0.002
0.007
0.050
0.001
0.001
0.010
0.001
0.001
0.001
0.003
0.001
0.003
0.001
0.001
0.002
0.050
Kester bar solder will conform to these requirements when purchased directly or through stocking distributors.
Only the highest purity virgin metals are used to make Kester E-Bar. Kester is the only manufacturer of
E-Bar quality solder. Kester E-Bar meets or exceeds Industry Specification ASTM B32. Kester E-Bar
conforms to the requirements of J-STD-006 formerly QQ-S-571F. DOD-STD-2000-1A (Soldering
Technology, High Quality/High Reliability) states that it is the responsibility of the manufacturer to select those
materials and processes that will produce acceptable high quality/high reliability products.
E-Bar
Available Alloys
Melting Point
Lead-bearing
Sn63Pb37
Sn60Pb40
Lead-free
Sn95Sb05
Sn96.5Ag3.5
Sn96.5Ag3.0Cu0.5
Sn95.5Ag3.8Cu0.7
Sn99.3Cu0.7
Sn100
Storage and Shelf Life:
Kester E-Bar has no limited shelf life when handled properly. Storage must be in a dry, non-corrosive
environment. The solder surface may lose its shine and appear a dull shade of gray. This is a surface
phenomenon and is not detrimental to product functionality.
183°C (361°F)
183-190°C (361-374°F)
232-240°C
221°C
217-220°C
217-221°C
227°C
232°C
(450-464°F)
(430°F)
(423-428°F)
(423-430°F)
(441°F)
(450°F)
Health & Safety:
This product, during handling or use, may be hazardous to health or the environment. Read the Material
Safety Data Sheet and warning label before using this product.
World Headquarters:
800 West Thorndale Avenue, Itasca, Illinois, 60143 USA
Phone:
(+1) 847-297-1600 •
Email:
customerservice@kester.com •
Website:
www.kester.com
Asia Pacific Headquarters
500 Chai Chee Lane
Singapore 469024
(+65) 6449-1133
customerservice@kester.com.sg
European Headquarters
Zum Plom 5
08541 Neuensalz
Germany
(+49) 3741 4233-0
customerservice@kester-eu.com
Japanese Headquarters
20-11 Yokokawa 2-Chome
Sumida-Ku
Tokyo 130-0003 Japan
(+81) 3-3624-5351
jpsales@kester.com.sg
The data recommendations presented are based on tests, which we consider reliable. Because Kester has no control over the conditions of use, we disclaim any responsibility connected with the
use of any of our products or the information presented. We advise that all chemical products be used only by or under the direction of technically qualified personnel who are aware of the
potential hazards involved and the necessity for reasonable care in their handling. The technical information contained herein is consistent with the properties of this material but should not be used
in the preparation of specifications as it is intended for reference only. For assistance in preparing specifications, please contact your local Kester office for details.
Rev: 12Dec06
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