The plaster has a variety of comb, different plaster has different paste matrix components, specifically the plaster matrix is divided into three categories, one is the traditional type of plaster matrix, the production history is long, most of the manual operation, the production of all by experience and family, two is the solvent based paste matrix, the three is the free paste based plaster base. Quality, four is Babu's plaster matrix, and five is a new type of plaster matrix for hot melt pressure sensitive adhesive.