... material in the pan will be attached on the external wall of drum bottom. During the rotation of drum, ... (PVC), nylon (PA), polyester, phenolic / epoxy and other polymer products; phthalic anhydride, maleic anhydride, refined naphthalene, anthracene, flat ... nitrate, bisphenol-A (BPA), phenol, o-phenylenediamine, phenylene two hard fatty acid, triphenylphosphine (TPP), caprolactam, asphalt and other ...