Profile: Seiler Plastics Corp. concentrates on precision custom plastic extrusions. We offer a full range of secondary operations including die cutting, hole-punching, in-line slitting, printing and light assembly. We extrude a wide range of material that includes high density polyethylene, low density polyethylene, high molecular weight polyethylene, modified polyethylene, high impact polystyrene, polypropylene and ABS Sheet. We deliver plastic u-channels in a variety of materials to be used as protective edge trim and packaging guards. We also deliver custom plastic profiles, tubing, sheet, and thermoformed parts in a variety of materials.