CyberDocLLC: QuickAlloy No Clean RMA gel Flux Made in USA 10 cc ml Syringe This premium flux is also compatible with Lead Free / silver based solder which required Higher Temperature resistance, have excellent wettability at High Temperatures. Non-corrosive, non conductive, no clean Tacky paste flux will not run all over PCB when applied Easily cleaned Recommended to use with the QuickAlloy SMT Desoldering Alloy