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Nihon Superior Introduces Improved Flux-Cored Solder Wire

Sep 11, 2018

Evaluation Test Results (comparison with conventional cored wire).“Reduced flux spattering at various temperature ranges”

Evaluation Test Results (comparison with conventional cored wire).“Reduced flux spattering at various temperature ranges”

Flux Spattering Test.

Flux Spattering Test.

Nihon Superior Co. Ltd., an advanced joining material supplier, has developed a new flux-cored solder wire that greatly reduces spatter compared with conventional cored wire. The new cored-flux, (032) allows the use of a wide range of soldering iron tip temperatures with very little spatter, even with high tip temperatures.

The newly developed (032) is a general purpose, no-clean, halogen-free cored-flux. When paired with the SN100C® lead-free alloy, it provides fast wetting and excellent solder joints, not only on copper (Cu) but also nickel (Ni) substrates. SN100C (032) is a good match for continuous robotic soldering due to the fast wetting and low spattering.

(032) cored-flux is available with the company’s new SN100CVTM lead-free alloy that gains its strength from solute atoms in the tin matrix as well as SAC305 solder.

Flux Spattering Test

Test Conditions

Solder material: SN100C (032)

Supply quantity: 6.4 mm

Line diameter: 1.0 mm

Supply speed: 20 mm/second

Tip temperature: 350 ℃, 380 ℃, 410 ℃

The test was conducted as a simulated "post soldering process" which is performed as touch-up or repair of parts after initial soldering. Evaluation was conducted with solder tip temperatures of 350° C, 380° C and 410° C.

Nihon Superior continues to offer solutions to the challenges facing the electronics industry, such as improvements in reliability, thermally stable joining, and lead-free die attach. For more information about Nihon Superior’s new cored-flux, visit www.nihonsuperior.co.jp/english or stop by Booth #511 at SMTA International.

Nihon Superior was founded in 1966 when it began marketing unique flux products imported from the US. The company made its mark on society by gathering the most advanced soldering and brazing technologies and products from around the world, and supplying them to companies in the metal-joining industry. A turning point for the company came when it started developing its own soldering materials and with the success of its unique SN100C lead-free solder alloy Nihon Superior has become a major player in the global market. To support the growing demand for its products, Nihon Superior has established manufacturing and sales centers in Japan, China and other Asian countries, and the United States, and formed business partnerships with companies in other markets.

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