... This type of heating technique is applicable to The gold melting and packing industry (such as sealing of ... For the precious metals: platinum, palladium, rhodium, gold, silver, copper. Steel, gold powder, sands, tin, tin slag ash all these ... .5,Commission for the mummer of ash –like powder high up to 97 percent. .Power2KW5KW10KW15KW20KW30KWOperating Voltage220V380V380V380V380V380VOscillation frequency30 ...