... primer,oil leather primer,leather surface primer,etc. PP PE Prime -- permeat the surface of PP, PE, enhance the adsorbability ... adhesion, good for treating of EVA materials with impurity. Rubber prime--Colorless transparent liquid, monocomponent rubber primer, used by mixing ... for treating of TPR with high oil or impurity. PU Prime--Transparent strong PU primer, quick drying, suitable for treating ...