3240 epoxy boards from discarded gum impregnated with epoxy resin, after drying, hot pressing. Pros: good material for the mechanical properties of the waste gums. Cons: There are not flat board seam plate surface is uneven appearance of the poor epoxy refers to molecules containing two or more epoxy groups of organic polymers, except for a few, but their relative molecular quality is not high. The molecular structure of the epoxy resin is a molecular chain containing reactive epoxy groups of its characteristics, the epoxy groups may be located at the end of the molecular chain, or a cyclic intermediate structure. Yi Industrial Co., Ltd. Shanghai Giant professional manufacturer welcomes inquiries 021-39879312 / 18917950198 Ma Han Hui QQ: 2637985344