In spite of usage simple parts in PCB and plastic plating , there is a complicated process which needs to the new technology. A part of this route is activation. In this process , cracks from the previous step are activated with tin and palladium ions. In the next step metallic ions will be deposited on the parts and finally the partsbecome electric. The MPB SA process is a catalytic process conations palladium and tin ions. This solution is worked with low palladium concentration and high stability. With this solution the plastic parts and PCB will be activated and subsequently results good adhesion of copper electroless. MPB SA process is used in two steps , pre activation and final activation .