How To Use Paste Solder When Soldering Your Jewellery 

Can you tell me ,how to solder silver ornaments (old) I mean process (cleaning/soldering or using borax ) Thanks !

I use a safety pickle or it’s called sodium bisulphate

you should be able to get powdered borax which would work just as well, just add a little water it to form a paste.

Thank you sooooooo much Andrew :)

Yes. The acid gets rid of any oxides on the surface

@@Atthebench can I use something other than acid? Maybe that's available around the house?

Wire or sheet solder made from the same alloy will be exactly as strong as each other. Solder isn't like glue whose strength holds things together. Instead it alloys with the metal being soldered and forms one solid piece of a new alloy. Silver solder is mostly silver so the piece will still pass assay. The solders with the highest melting temps, enameling and hard solder, have the highest silver content mixed with copper and/or maybe zinc to drop the melting temp. As you go through medium and easy there is less and less silver and more of the other things that drop the melting temp. Enameling or extra hard solder is usually about 80% solder, hard solder is usually about 75% silver, medium is about 70%, easy is about 65%, extra easy 60% or lower. When the solder alloys with the silver in the joint, proportionally the area now has less zinc or copper since any zinc or copper forms a molecular connection with silver in the joint. That means that the new alloy is like a harder solder and it will take more heat to remelt it. That's why we can do a bunch of hard solders on something without it falling apart. All this also applies the same with gold and gold solder.

Patrick Horgan thank you for clearing that up for me. 👍😁

Patrick Horgan What a great explanation! Thank you very much for taking the time.

@@PatrickPoet im making some gold nugget stud earrings id like to know wich soldering paste is best.hope you can help me thanks

@@gatosgarage2179 I've never looked much into soldering gold anything since the materials are so expensive. I'm not your guy for _this_ question!

Patrick Horgan No not yet but I could soon 👍🏼

That would be awesome:)

I’d like to know that, too - especially with chain mail type pieces such as this.

Alan Partridge it is a small chefs torch. Most jewellery tools suppliers sell them

I am sorry but I know nothing about electronics so I am unable to help.

The solder needs to be the same as the metal you are using

No, using a torch will burn the silver plating off

@@Atthebench what would be a better solution? Thank you for your reply

Use a laser or Lampert PUK. Something that does not generate a lot of heat

pijnto chains can bounce and flip in your face. I've had it. Too risky damaging also.

No different to polishing any other item if you are not diligent anything can throw back at you

pijnto Yes, but because chain is so fine and flexible, the chances of it catching and both breaking and flying back at you are a lot greater than with a solid piece of metal. It’s just not as easy to hold stable enough - certainly for beginners. I personally even find the idea of using a flex shaft on a chain very scary as well, although I am sure I’ll try that before a bench polisher.

Think about a weedeater with chain flails...it gets ugly in a huge hurry.

No. Electric solder should never be used on silver nor gold

That would be fine. Don’t use paste on ring shanks for example where the joint can easily be seen

Sounds like the copper is not getting hot enough and you should use extra flux

@@Atthebench should i do the soldering in the air or flat on the block?

Heat the object and not the solder. Or stop it from rolling off with a solder pick

Jackie Chan hi. Yes I do try. This film was only posted a couple of days ago.

Some answers show up on his other videos, too.

No it won’t pass. You can’t get 21 nor 22 solder paste.

@@Atthebench If I use glue soldering, then will it pass?

some people have used lavender oil. If my syringe solder gets too hard i just put it in my lemel pot so i can send it off to the refiners to reclaim back the metal.

Andrew Berry What is a lemel pot?

@@wendyannh basically its a scrap pot/bowl/jar

Gold pâté has tiny flecks of solder and flux all mixed together. Flux is just flux - you need to add solder

@@Atthebench thanks bro