Many contaminants in solder such as gold, aluminium, cadium, copper and zinc are detrimental to the performance of the alloy and will definitely affect the reliability of the electronics assembly. To eliminate the contaminants from solder, after years of exhaustive research, SIGMA has developed "SUPERPURE" bar solder made by a proprietary processing of molten "VIRGIN TIN" and "VIRGIN LEAD". "SIGMA SUPERPURE SOLDER BAR" boasts free of oxide and contaminants approaching zero, and features the following:

• Very Competitive Price
• Guaranteed Conformance To Alloy
• Instant Wetting Action
• More Connections Per Kilogram Of Solder
• Reduced Need Of Touch Up
• Brighter Connections
• Minimal Drossing
• Only High Purity Virgin Metals Are Used
• Conforms To International Specifications

When ordering, please quote the following specifications:

"SIGMA SUPERPURE SOLDER BAR"
Alloy : Standard alloy, 63/37, 60/40, 55/45, 50/50, 45/55, 40/60, etc.