LDPE>>Film
It is a thermoplastic with a highly branched structure and low density (0.91-0.93 g/cm³), featuring excellent flexibility, transparency (transmittance > 90%), and low-temperature impact resistance (maintaining toughness at -70°C). Its physical properties include a low melting point (105-115°C), high ductility (elongation at break > 500%), and good heat sealing performance; its chemical properties are resistant to weak acids, weak alkalis, and polar solvents, but not to strong oxidizers (such as concentrated nitric acid) and high-temperature hydrocarbon solvents (soluble in xylene at > 60°C).
- Parameters
It is a thermoplastic with a highly branched structure and low density (0.91-0.93 g/cm³), featuring excellent flexibility, transparency (transmittance > 90%), and low-temperature impact resistance (maintaining toughness at -70°C). Its physical properties include a low melting point (105-115°C), high ductility (elongation at break > 500%), and good heat sealing performance; its chemical properties are resistant to weak acids, weak alkalis, and polar solvents, but not to strong oxidizers (such as concentrated nitric acid) and high-temperature hydrocarbon solvents (soluble in xylene at > 60°C).
Low-density polyethylene (LDPE), with its excellent flexibility, transparency, and heat-sealing performance, is primarily used in packaging films (such as food wrap and plastic bags), agricultural mulching films (for light transmission and moisture retention), medical packaging (such as infusion bags), and composite film substrates (compounded with aluminum foil, etc.). Its good tear resistance and ease of processing make it the preferred choice for disposable packaging and lightweight protective materials.
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