With rosin can quickly remove oxidation，making components stick to the surface effortlessly. -LEAD FREE but Quality Flux makes the solder job as good as lead solder wire. - Smooth welding / soldering surface....
I really know nothing about this wire other than it can get expensive. Look over the photos for your descriptions. Total weight 3.6 oz with the core. About 10 ft of wire. Purr WW Rosin. SPEC at 7076 B-Rosin...
Stearine Core". Alloy Composition: Standard alloys include traditional 60/40 (tin/lead) rosin-core wire and specialized "special alloy" lead sheathing (roughly 35% tin, 64% lead, 1% ant)....