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Nihon Superior Releases Video Results for Evaluation of SN100C and SAC305

Sep 14, 2010

OSAKA, JAPAN - Nihon Superior Co. Ltd., a supplier of advanced soldering materials to the global market, has released a video demonstrating the results of an evaluation comparing the wettability and spreadability of SN100C and SAC305 solder alloys on stranded wire.

The video demonstrates that although SAC305 has a lower melting point, the superiority of SN100C’s wettability and spreadability after melting results in faster total wetting and spreading over SAC305.

In general, wettability is evaluated with zero-cross time using the wetting balance test (JIS Z 3198 or IPC J-STD-003). However, it is recommended to verify the performance of wetting and spreading of solder onto a base material after melting, such as in this evaluation. The total wetting time appears to be a more realistic indication of the true wetting and spreadability of a solder than just the zero-cross time as demonstrated in the video.

For more information or to view the demonstration, please visit http://www.nihonsuperior.co.jp/english/sn100c/sn100c_nurehirogari.html.

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 formed business partnerships with companies in other markets.

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