Commodity Plastics
LDPE Film Grade — Low-Density Polyethylene Film Grade
LDPE is known for its flexibility, toughness, and good low-temperature properties. It is widely used in film applications such as shopping bags, agricultural films, and food packaging due to its excellent moisture barrier and ease of heat sealing.
LDPEAlathonMarlex
Manufacturers
3
Grades
3
Applications
4
Equivalents
1
Physical Properties
- Density
- 0.918-0.935 g/cm³
- Water Absorption (24h)
- <0.05 %
- Transparency
- Good
- Shrinkage
- 2-5 %
Mechanical Properties
- Young's Modulus
- 0.1-0.4 GPa
- Tensile Strength
- 8-16 MPa
- Elongation at Break
- 200-600 %
- Impact Strength (Izod)
- No Break
Thermal Properties
- Glass Transition Temperature
- -120 °C
- Melting Point
- 105-115 °C
- Continuous Service Temperature
- 60-80 °C
- Heat Deflection Temperature
- 35-45 °C
Electrical Properties
- Dielectric Constant
- 2.25-2.35
- Volume Resistivity
- >10¹⁵ Ω⋅cm
- Dielectric Strength
- 15-25 kV/mm
Chemical Resistance
- Acids
- Excellent resistance
- Bases
- Excellent resistance
- Solvents
- Good resistance at room temperature, swells in hot aromatic hydrocarbons
- UV Resistance
- Poor (requires stabilization)
Sustainability
- Recyclability
- Recyclable
- Recycling Code
- 2 (PE-LD)
- Carbon Footprint
- Moderate
Manufacturing compatibility
Film extrusionBlow moldingInjection molding
Applications
Bags
Packaging film
Lamination
Toy manufacturing
Available grades
LDPE 2420LDPE 1502LDPE 310