RECTORSEAL 14030 Nokorode Solder Paste 1 Lb Nokorode Solder Paste 1 Lb. Odor Free Lead Free For Use On All Solder Alloys Including 95/5 and Lead Free Solders Meets Mil-F-4995-2 Cleans As It Fluxes This is manufactured in United States Cleans and fluxes in one operation saving time and money Special oil base protects the solder joint against corrosive attack It's non-aggressive formula is ideal when used on copper and brass fittings Lead free and acid free-safe to use on potable water systems When heated, it reduces surface tension and allows the solder to flow easily and uniformly into the joint