ITEM NAME:1pcs bga smd soldering paste flux grease volume 12cc MA-225-lo N3CN Feature: 100% Brand New Joint High Intensity Good Immersion notice:this item has no Ag and Tin in it The RMA-225-lo is a high viscosity no-clean flux , it can be used for PCB , BGA , PGA reworking , and soldering and reballing of computer and phone chips . It is the mixture of high-quality alloyed  powder and resinic pasty flux , it can avoid the pale yellow residue , so you are easy to clean the board..It is the mixture of high-quality alloyed powder and resinic pasty flux, it can avoid the pale yellow residue, so you are easy to clean the board. Joint High Intensity. Color:As the picture show. Type : RMA-225-lo.