"SIGMA 77" flux core solder consist of Water White Gum Rosin flux incorporating with a small amount of highly activating agent. It is made of VIRGIN TIN and VIRGIN LEAD to provide maximum efficiency, greater speed and superior all round soldering. It is widely used in the TV, radio and other consumer elctrical industries. "SIGMA 77" feature the following:

• Very Competitive Price
• Guaranteed Conformance To Alloy
• Instant Wetting Action
• Completely Non-corrosive Residue
• Electrically Non-condutive Residue
• Only High Purity Virign Metals Are Used
• Conforms To International Specifications

Technical Data:

Flux density (gram/cc. at 25ºC) : 1.06
Water extract resistivity (ohms -cm) : 55,000
Spread factor : 90%
Chlorides and bromides tes t: Pass
Copper mirror test : Pass

When ordering, please quote the following specifications:

"SIGMA 77"
Alloy : Standard alloy, 63/37, 60/40, 55/45, 50/50, 45/55, 40/60, etc.
Diameter : Standard 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm, 3.0mm, etc.
Core size : Weight percentage 1.9%
Packing : 10 or 20 kg/box - 1 kg per spool, 20 or 40 lbs/box - 2 lbs per spool, 20 spools/box - 1lb, 250 gms & 500 gms per spool

Note : Other Alloy, Diameter, Core Size & Packing also available on request.