Commodity Plastics
HDPE Blow Molding — High-Density Polyethylene for Blow Molding
HDPE grades for blow molding offer excellent stiffness, impact strength, and chemical resistance. They are designed for efficient processing and excellent parison control, ensuring uniform wall thickness in hollow parts like bottles,Jerrycans, and large industrial containers.
HDPEHostalenNovex
Manufacturers
3
Grades
4
Applications
4
Equivalents
2
Physical Properties
- Density
- 0.941-0.965 g/cm³
- Water Absorption (24h)
- <0.05 %
- Transparency
- Opaque
- Shrinkage
- 1.5-3 %
Mechanical Properties
- Young's Modulus
- 0.8-1.5 GPa
- Tensile Strength
- 20-35 MPa
- Elongation at Break
- 50-300 %
- Impact Strength (Izod)
- No Break
Thermal Properties
- Glass Transition Temperature
- -120 °C
- Melting Point
- 125-135 °C
- Continuous Service Temperature
- 80-100 °C
- Heat Deflection Temperature
- 50-65 °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-HD)
- Carbon Footprint
- Moderate
Manufacturing compatibility
Blow molding
Applications
Bottles
Drums
Tanks
Jerricans
Available grades
HDPE 60550HDPE 52506HDPE BM 40HDPE 52190