Cheap And Discounts Relife BGA Flux Paste RL420 RL422 RL421 10CC Strong activity Halogen free Flux Solder Paste for PCB SMD BGA Reballing Soldering Wholesale. Buy Directly From Merchant FIXPHONE Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.