... impediment technology, compound forms the compound materials Nano-TiN and the resin, these nanometers granules can block the molecular gap, ... gas to proliferate the seepage with difficulty, thus enhanced the resin, the plastic impediment. Because joins nanomaterials quantity are few ... industry; 4 Like develop the non-lead soldering tin material, in alloy and so on tin, silver, copper, zinc mixes in the ...