A: Hardware foaming, mainly cleaning problems and red copper bottom problems, first of all, we have to understand that the general adhesion of strong elected copper, so, iron wire iron products, zinc alloy stainless steel or other, almost clean and clean after all to play a layer of red copper bottom, and then electroplating, for is to enhance its adhesion, that is, do not fall off do not blister problem, If you do not put these two off, naturally will blister, followed by the hardware is too poor,such as a large piece of hardware, density is not enough, itself has hemp point or empty hole and so on, naturally also easy to blister.
