25PCS Soldering Sponge 5 x 3.5cm Rectangle Blue 11mm Water Absorption Thickness Cleaning Pads Welding Tip

What is this? These are the soldering sponges used to cleaning the soldering iron.The soldering iron sponge can clean the residue or absorb excess solder on the soldering iron tip. They are widely used in electronic manufacturing and repair circuit board production metal processing jewelry production 3D printing and other. Are there any advantages of the product? The soldering iron sponge is made of materials with good water absorption which can effectively clean the residue and solder on the soldering iron tip and keep the soldering iron tip in good working condition.They are durability which is suitable to remove solder residue and keep PCB assembly clean. How to use it? 1.Before use soak the soldering iron sponge in water and make sure it is completely moist; 2.Squeeze excess water to maintain proper humidity; 3.During the soldering process gently wipe the soldering iron tip on the soldering iron sponge and wipe it back and forth several times to remove dirt and solder. What should I notice? Before using the soldering iron sponge make sure the soldering iron has cooled down and disconnected from the power source. Avoid direct contact with the soldering iron tip to prevent burns.