LDPE>>Foaming
A thermoplastic with a branched structure, with a density of 0.91–0.93 g/cm³, exhibits 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), low rigidity (tensile strength 10–20 MPa), and high ductility (elongation at break > 500%); its chemical properties are resistant to weak acids, weak alkalis, and polar solvents, but not to strong oxidizers (such as concentrated nitric acid) and hydrocarbon solvents (such as xylene), and it is prone to oxidative degradation upon long-term exposure to ultraviolet light or high temperatures (>80°C) (antioxidants need to be added). LDPE has excellent electrical insulation properties (volume resistivity >10¹⁶ Ω·cm), but it is flammable (oxygen index 17%), and is widely used in films, cable sheaths, and packaging materials.
- Parameters
A thermoplastic with a branched structure, with a density of 0.91–0.93 g/cm³, exhibits 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), low rigidity (tensile strength 10–20 MPa), and high ductility (elongation at break > 500%); its chemical properties are resistant to weak acids, weak alkalis, and polar solvents, but not to strong oxidizers (such as concentrated nitric acid) and hydrocarbon solvents (such as xylene), and it is prone to oxidative degradation upon long-term exposure to ultraviolet light or high temperatures (>80°C) (antioxidants need to be added). LDPE has excellent electrical insulation properties (volume resistivity >10¹⁶ Ω·cm), but it is flammable (oxygen index 17%), and is widely used in films, cable sheaths, and packaging materials.
Primarily used for foaming, wire and cable, self-sealing bags, etc.
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