I want to make KDM for soldering 22ct gold jewelry, the metal Adde to KDM and what is relationship? after welding jewelry will remain the same touch or purity? Anybody can help me?

You can buy solder gold in varying degrees of purity, which is necessary to maintain the purity of the final product. KDM, welding or cadmium reduced the purity of the final product. I have learned that a seal KDM indicates that the piece was soldered with cadmium, which has an imposing low point. I thought 22K is usually only used for coins. Kitco sells welding in different K here, you may be able to buy elsewhere. Http: / / www.kitco.com / jewelry / solders.html I see they only have to 19K on the list, and is only available in white gold with a score of "hard", ie high melting point. You may have to find another source for it, or lower the K, of her jewelry. Grandfather

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