Features: brand new and high quality Material: Paste, non-corrosive to IC and PCB, its boiling point is only slightly higher than the melting point of solder, and the soldering effect is good This solder paste is easy to carry and use. It is strong and durable, easy to solder, quick to clean, good insulation, and good acid content. Suitable for welding on general instruments, copper, tin, iron and other metalware. It is suitable for the welding of mobile phones, pc boards and other precision electronic chip-level welding. Before soldering, clean the surface of the object, apply the paste on the copper, tin, iron and other metals to be soldered, and then use a soldering iron to melt the tin on the soldering place. The shape is a butter-like ointment, with high bonding strength, neutral PH value, strong insulation, and smooth welding surface Specifications: Material:Paste Capacity:50g Size: Approx.3.1x5.6cm/1.22x2.20inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PcxSolder Paste