The SOL-0.8-1LB is a No Clean Water-Washable Synthetic Flux Core Solder Wire.

SPECIFICATIONS
Composition: 60/40
Diameter: .031″ (0.8mm)
Melting Point: 423 ~ 428°F (217 ~ 220°C)
Flux Type: No-Clean, Water Soluble
Process: Lead-Free
Spool: 1lb