Introduction of recycled plastics: The recycled plastic is recycled from the plastic, and the plastic is reused after the mechanical blade pulverization operation. Recycled plastic refers to a plastic raw material that is obtained by processing waste plastics by physical or chemical methods such as pretreatment, melt granulation, modification, etc., and is a reuse of plastic. use: Plastics have good processing properties and are easy to form, such as: blowing, squeezing, pressing, cutting, and easy welding. In the production and life, there are many plastics that can be granulated. For example, waste food bags, sandals, wires, wire boards, agricultural films, tubes, barrels, pots, packing belts and all kinds of waste plastic products can be repeatedly processed and produced into plastic. Raw materials, used in special processes and formulas, for the manufacture of machine parts and components; can be used for water pipes, agricultural machinery, packaging bags, cement bags; can replace some wood products; can be used to make various plastic bags, barrels, pots, toys Such as plastic products, living utensils. Recycled plastics and granulated plastics have broad prospects, turning waste into treasure, and the products (plastic granules) are widely sold. The demand for plastics enterprises is large. A medium-sized agricultural film factory needs more than 1,000 tons of polyethylene granules per year. For individual and private enterprises that need more than 2,000 tons of PVC particles, the annual demand for pellets is more than 500 tons. Therefore, the plastic pellets have a large gap and cannot meet the demand of plastics manufacturers. Therefore, the sales are excellent and the benefits are extremely high. good. Waste plastic materials come from a wide range of sources. Some people have waste plastics, easy to buy, and cheap (such everywhere). A city consumes more than 10 tons of plastic food bags and other plastic products every day. There are also a large number of waste plastics that can be recycled in rural areas. The particles are not sold out. Differentiating method: The easiest way to distinguish between new and recycled materials is to use a transparent flame retardant PC945 plastic film to see if there is a star point on the sun. Usually there is regeneration, and basically there is no new material. From the outside, the recycled plastic has poor gloss, the surface of the particles is dull, the size is not uniform, and the impurities are generally colored or gray; while the new material has good gloss, the surface of the particles is smooth, the size is uniform, and the magazine is not included, most of them are colorless. Or milky white, new material color is bright, old material color is dim. In addition, if we carefully identify, we can distinguish from 7 aspects: 1, color: Anything that is more transparent than the one that is not transparent, no matter what color. 2, gloss: good gloss is better than no gloss, is the color of the surface of the material. Physical and mechanical properties, the recycled materials are made of waste products. After being exposed to the wind and the sun, the surface of the transparent flame retardant PC945 plastic has been aged and degraded. After many high-temperature processing, the melt plasticization is partially high under the action of light, oxygen and high temperature. When the molecule is oxidized, the macromolecular chain undergoes chain scission degradation, and the physical and mechanical properties are degraded. The more the number of regenerations, the more the performance is degraded. 3, drawing: After blowing fire, use iron objects to quickly contact the melt, and then quickly pull open to see if the wire is formed evenly. If it is uniform, it is good. After several times, the wires are overlapped. Pull it apart again to see if it has any elasticity. Can it be pulled again and continuously, and it is good to break it without breaking or pulling a distance. 4, ignite the flame color to see if it smokes, whether it contains burning from the fire or not at all. 5, smell a variety of transparent flame retardant PC945 plastic taste is not the same, including flame retardants. 6, the above can not be confirmed, please use the fire again, in the process of burning quickly black smoke or melt quickly dripping, not good. 7, floating water: As long as there is submerged water, if the above is not sure, or can not decide, then only test machine. 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