For over 100 years, Kester has been a global leader in supplying higher performance interconnecting materials and related services to the electronic assembly market. Globally, Kester is known for their high quality product and advanced manufacturing technology.
Kester Ultrapure® is the industry standard bar solder. Manufactured by a special process that controls the inclusion of oxides and metallic and non-metallic impurities, Kester Ultrapure® is used for high tech applications where lower surface tension and hole filling are imperative. The purity of Kester Ultrapure® exceeds the requirements of ASTM B32 and IPC/J-STD-006A.