Borax Flux For Melting Gold Silver<br /><br />Color:White<br />Capacity: 90 g/3 Oz<br /><br />Features:<br />1.Borax Technical Grade in a 3 Oz. Bag, this is Borax Pentahydrate in the Granular form.<br />2.Borax has a wide variety of uses, a component of many products. It can be used to glaze ceramic crucibles, as a flux in casting and soldering.<br />3.Borax when used in melting of Gold and Silver helps to dissolve Oxides and other impurities and produce a fluid borate slag that collects on the surface of the molten metal. This slag is periodically removed, by use of a carbon-graphite or clay rod.<br /><br />Package Included:<br />1 x Bag of Borax<br /><br />Note:<br />Manual measuring, please allow 1 ~ 3 g error.<br />Welcome to our store ,we will ship out all order within 3 days,and it will take 4-7days send to your home,thank you <br />