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Properties
Specifications
Size
454GM
Brand
Indium
MPN
WIREOT-51237
Country Of Origin
United States of America
Categorisation
Non-hazardous
Packed With Dry Ice
no
Downloads
Manuals
Revision
Download
Manuals
Indium Solder Wire 46Bi/34Sn/20Pb 0.030" dia - 454G Reel TDS
Revision
Version TDS
Download
ConRo Electronics Ltd cannot ensure and do not guarantee that the information in these documents is the most current available from the manufacturer. There are instances when updates are released without our immediate knowledge.
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Bismuth (Bi) is being used more and more as a replacementfor lead in solder alloys because it is non-toxic. Althoughthe melting temperature of pure bismuth is 271°C, theaddition of bismuth will lower the melting temperature ofmost metals it is alloyed with. Bismuth compounds are alsowidely used in medical and cosmetic applications.• The most popular lead-free bismuth solder alloys areIndalloy®281 (58Bi/42Sn) which melts at 138°C andIndalloy®282 (57Bi/42Sn/1Ag) which melts at 140°C.The addition of the 1% Ag makes the alloy moremalleable. Both alloys can be used for step solderingapplications. After the initial joints are made with astandard SAC alloy (220°C), subsequent solderingoperations can be done using the bismuth alloys.See the table on the back of this sheet for additionalalloys.• Indalloy®281 and Indalloy®282 have joint propertiessimilar to those of tin-lead solders, with superiorfatigue and copper dissolution characteristics.• Bismuth is the most diamagnetic and the leastthermally conductive of all metals.• In addition to being non-toxic, it does not oxidize asreadily as lead does.
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