Soldering Rosin is a natural substance used in electronics and soldering to help solder flow better and remove unwanted material from metal surfaces.
Specification of Soldering Rosin Flux Paste:
It comes from pine trees and melts between 70-100°C, becoming active between 100-200°C. Rosin works moderately well to clean surfaces and promote good soldering, but it may take longer than other products. It leaves behind a non-harmful, light-colored residue that can be easily cleaned with rubbing alcohol. People often use it for soldering small things like circuit boards, jewelry, or stained glass.