... copper materials model: 1515 / 2515 / 3015 / 3015 sizeLength: 1.5m Wide:3mm Use graphical: 1) Please look at the circuit board on the ... , before extrusion, the ingot processed by end cropping, peeling off the surface, it has the advantage of less residue, dense ... flux, activators that remove oxides and thixotropic additions, responsible for viscosity and plasticity. The paste does not lose its physical ...