Features: This solder flux is leaves only a little residues and easy to clean. It has nice insulation property, and can prevent short circuit and cord breakage due to wiring age. Can protect PCB and BGA traces from corrosion and moisture. Expose it under UV light or sun for a few minutes after paste it on circuit board, it would become solid, very easy to use. Useful tool for repair your computer or cellphone PCB, etc. Specification: Material: Plastic Flux Type: RMA-559-ASM Capacity: 100g/10cc Size: Approx. 6 x 8cm / 2.36 x 3.15inch Weight: Approx. 142g Package List: 1 x Solder Flux Paste Note: This solider flux is sensitive to UV, please keep it in shade. 1、This solder flux is leaves only a little residues and easy to clean 2、It has nice insulation property, and can prevent short circuit and cord breakage due to wiring age 3、Can protect PCB and BGA traces from corrosion and moisture 4、Expose it under UV light or sun for a few minutes after paste it on circuit board, it would become solid, very easy to use 5、Useful tool for repair your computer or cellphone PCB, etc