HDPE>>Film
It is a linear polymer with high density (0.94-0.96 g/cm³) and low branching degree, exhibiting excellent rigidity (tensile strength 20-30 MPa) and low moisture permeability (<0.5 g·mm/m²·day). Its physical properties include a high melting point (125-135℃), low melt index (0.1-1.0 g/10min, 190℃/2.16kg), and excellent puncture resistance; its chemical properties are resistant to acids, alkalis, oils, and most solvents, but not to strong oxidizers (such as concentrated nitric acid) and high-temperature aromatic hydrocarbons (soluble in xylene at >70℃).
- Parameters
It is a linear polymer with high density (0.94-0.96 g/cm³) and low branching degree, exhibiting excellent rigidity (tensile strength 20-30 MPa) and low moisture permeability (<0.5 g·mm/m²·day). Its physical properties include a high melting point (125-135℃), low melt index (0.1-1.0 g/10min, 190℃/2.16kg), and excellent puncture resistance; its chemical properties are resistant to acids, alkalis, oils, and most solvents, but not to strong oxidizers (such as concentrated nitric acid) and high-temperature aromatic hydrocarbons (soluble in xylene at >70℃).
High-density polyethylene (HDPE) film, with its excellent mechanical strength and barrier properties, is primarily used in high-strength packaging applications, including heavy-duty packaging bags (such as composite inner lining films for fertilizers and feed), shopping bags, and industrial protective films. Additionally, due to its good moisture resistance (water vapor transmission rate < 0.5g/m²·day) and puncture resistance, it is also widely used in agricultural mulching films and building moisture-proof films, where long-term durability is required.
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