Foaming is a kind of processing technology of rubber surface of dipping gloves. Its principle is to add foaming agent to glue solution. During the processing process, foaming agent is triggered by chemical agents with other characteristics, this makes the gloves dip coating form a fine gap, and its principle is similar to the baking powder we use to make steamed bread or bread. Nitrile, latex and PVC in our common gloves can be foamed