Powder coating

Can anybody tell me if plumber's solder will withstand the heat of the powder coating process?

Tia,

Cic.

Reply to
Cicero
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Powder coating involves the item being coated being heated to about

200 to 250deg C depending upon the material of the coating to be applied. Lead free 95:5 Sn/Sb plumber solder melts at about 235deg so it would be a close run thing.
Reply to
Peter Parry

way of doing the job.

Cic.

Reply to
Cicero

Can that be done in a domestic oven?

NT

Reply to
N. Thornton

Possibly, with the right powder material. However the item being coated is usually charged to 45-90kV to get the powder to adhere to it before being heated. The powder is very fine and gets everywhere. After an oven experiment, if the secondary purpose if the cooker is culinary, you could be in severe trouble.

Reply to
Peter Parry

Hi,

Try a higher temperature solder like silver solder, (though not all silver solders melt at a higher temperature...)

cheers, Pete.

Reply to
Pete C

=============== I'm not sure that I can get enough heat out of a plumber's blow lamp to melt silver solder and I got rid of my oxyacetylene gear years ago. Still it's worth a try. Thanks for the suggestion.

Cic.

Reply to
Cicero

Never heard of Easy-flo? -- Johnson Matthey range of solver brazing alloys with melting points in the low 600's of C, easily obtainable with a blowlamp (subject to size of workpiece). Watch the high cadmium content though --

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Reply to
Andy Wade

Hi,

A solder with a low silver content would be best. This site will have what you need:

Alternatively melt some 60/40 solder down and add lead to make it

10/90 to bring the melting point up:

cheers, Pete.

Reply to
Pete C

I've just had something powder coated that had joints filled with solder (not used for joining anything). The man told me that it would more than likely melt and cause problems and suggested I remove it, which I did.

MJ

Reply to
MJ

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