Indium Corporation Soldering Products Meet New IPC J-STD004B

Indium Corporation introduces a full line of soldering products that satisfy IPC's J-STD004B. The IPC's new 004B has stricter requirements for measuring halogens and electromigration risk.

Indium Corporation's full line of PCB assembly products were specifically designed to meet these new international standards, which help to improve both first pass yields and long-term reliability.

Users' existing solder products may meet the existing J-STD-004, but could fail to meet the more environmentally-realistic and challenging requirements of the 004B electromigration test.

Included in the new assembly products that are "B" compliant are:

Wave Solder Flux WF-9948

Flux-Cored Wire Series CW-807

Wave Solder Flux WF-9948 is a high-activity, no-clean wave solder flux designed for use with through-hole and mixed-technology assemblies. It performs well with both tin-lead and lead-free solders. WF-9948 is very heat stable and has been thoroughly tested for selective soldering and wave soldering applications. Even with the high degree of activation, WF-9948 passes all known reliability requirements.

The CW-807 Flux-Cored Wire Series has been fully tested to J-STD-004B. The series includes:

CW-807 (halogen-free, ROL0)

CW-807M (slightly more active, ROL1)

CW-807HMP for high-temperature applications, such as automotive and downhole survey equipment (ROL0)

For more information about Indium Corporation's full line of flux products, visit

Indium Corporation is a premier materials manufacturer and supplier to the global electronics, semiconductor, solar, thin-film and thermal management markets. Products include solders, preforms, and fluxes; brazes; sputtering targets; indium, gallium, and germanium metals and inorganic compounds; and NanoFoil®. Founded in 1934, Indium has global technical support and factories located in China, Singapore, South Korea, the United Kingdom, and the USA.

For more information about Indium Corporation, visit or email


Anita Brown

Corporate Communications

Indium Corporation

tel: +1-315-381-7524

34 Robinson Road

Clinton, NY  13323 USA

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