Adhesive leather shoes, sole adhesion is not strong and open plastic is more common, open plastic many reasons, mainly plant raw material selection, process control properly fit into. Neoprene rubber soles and leather used to glue and resin component containing more leather bottom, polyurethane bottom would be difficult to work, you must use polyurethane glue or other adhesive means to cement, adhesive is not possible because a suitable for any material for bonding soles and uppers before grinding at the fluff, many times gluing and baked with lamination lamination machine to cement. pair shoes adhesive peel strength index is good or bad is controlled, these indicator to use peel test meter. Select shoes to help pay attention to check, whether the firm at the end of the adhesive, it has a plastic, wearing attention to rain ice. Because after the water is easy to open plastic shoes.