MG Chemicals 4890 Series Sn60/Pb40 Rosin Core Leaded Solder, 0.032" Diameter, 1 lbs Spool
M.G. Chemicals rosin activated flux formula is used in our flux-cored solder wire. Its rapid wetting and fast flowing properties results in consistent and reliable soldering every time. Cleaning becomes optional with our RA Flux core because of its non-corrosive and electrically non-conductive properties. Includes contents 60 percent tin, 40 percent lead. Physical and chemical characteristics (flux extract): RA. Color and appearance: amber solid. Softening point, degree C (flux extract): 80 degree. Acid number (mgKOH/g sample): 150-160. Silver chromate (qualitative halides): detection. Classification per J-STD-004: ROM1. Surface insulation resistance: > 1.0 x 109. Shelf life: indefinite. Residue removal: not required. Upper temperature limit: do not to exceed 260 degree C (tip temperature).