Cheap And Discounts MOUNTWIND Solder Paste Lead-Free Sn64.7Ag0.3Bi35 MediumTemperature 180℃ Melting Point Flux For Soldering BGA Repair PCB LED SMT Wholesale. Buy Directly From Merchant MOUNTWIND Solder Material Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.