LDPE resins are odorless white pellets or granules. These resins are thermoplastics made from ethylene with the repeating unit. They are stiff plastics but lack hardness and brittleness and have a somewhat waxy feel. LDPE resins are characterized bi molecular weight, density, and melt index (MI, a measure of flow rate under prescribed conditions of temperature and pressure).
LDPE resins can be blended with linear low density (LLDPE) or high density polyethylene (HDPE) resins to tailor the physical characteristics for specific products.Low density polyethylene (LDPE) resins are polymers made from ethylene (ethane).These resins have good clarity, good moisture and gas barrier properties, can be heat-sealed, and are strong and flexible.
LDPE resins are manufactured as odorless white pellets or granules. The pellets are used in industrial fabrication processes such as blown and cast film, extrusion coatings, and injection molding. The resins are mainly used to manufacture films for packaging applications. Fresh milk and juice cartons are made with paperboard coated with LDPE film, making the cartons leak-proof. LDPE resins are also molded into durable products from power cables to toys.
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