Foam recycling guidelines in our daily life that we should know
Polystyrene Styrofoam beads can be molded. For household appliances and other packaging or frozen food packaging foam; also a small number of instant noodles bowl which made of expandable polystyrene beads. These plastic products are bulky and have a lot of tuition and miscellaneous fees. China has been paid special attention to their recycling. The main ways of Styrofoam recycling are: reduction after granulation, after crushing for a variety of filling materials, pyrolysis oil or recycled styrene and other. (1) After volume reduction and granulation, polystyrene foam can be melt-extruded and granulated into recycled pellets, but therefore bulky and stool transportation, the volume reduction is usually required before recovery. Methods are mechanical, solvent and heating method. (2) crushed used as a filler, polystyrene foam products can be used as a filler after S tyrofoam densifier crushing, which made of various products. Such as ① re-molded...