Easy to use The 30ml syringe is matched with the 5ml syringe. 1 x 30ml Syringe Solder Paste Flow. BOJACK 30ML Lead-Free Soldering Flux. Premium Raw Materials Made of no acid, Lead-Free, No-Clean, soldering flux paste which is not easy to dump,Unique blend of premium resins and thixotropic agents, suitable for both lead-free and traditional tin-lead alloys.
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