... specific gravity alloy productThe high proportion of material is an alloy of tungsten to the matrix (W ... W, W-Ag, and other major series, the density of up to 16 .5-19.0g/cm3, was ... solderability and machining. Given the high proportion of the above alloy outstanding feature, and it is ... high temperature sintering process, the production of high-alloy proportion of 20 tons, the main production equipment ...