1.Rotoform system 2.Well-distributed 3.Easy-packing 4.High stock density ... , Trimellitic Anhydride, Salt Stearate, Hot-Melt Adhesives, M-Phenylenediamine, Urea, Rubber and Plastic Auxiliary etc.Working principle:Melting material, through material ... are available, and with hemispheric, bar, flake products. Steel band system