Q: would this be safe to use around the top edge of a drinking cup?
Q: Does this solder contain lead?
Q: What is the chemical formula (or common name) of this particular solder alloy? I would like to read more about it on the Wikipedia Solder Alloys article, but I can't find an exact match based on the product description here. Would you be able to tell the alloy's name or formula?
Q: I use to sell Certainum alloy silver solder to bell helicopter in Ft Worth Texas ..... the silver solder application was it bonded at !12 deg and would free flow around, upward and any direction where their was heat...My son does plumbing work and fights soldering the cooper tubes.. Please advise ?
Q: I'm soldering brass and want the solder to match or come close to the color of the base metal. Is there a solder that has a yellow finish instead of silver? I was told to look for EZ Flo, but this appears to be a silver finish.
Q: Can a soldering iron be used for this solder? If so, is it the same melting point with an iron?
Q: Is this all I need to close jump rings or do I need to buy some flux or something else? I am new to jewelry making and closing jump rings. TY