Commodity Thermoplastic
HDPE — High-Density Polyethylene
HDPE is a workhorse commodity polymer known for its excellent chemical resistance, toughness, and low cost. It is the standard material for milk jugs, detergent bottles, and gas piping.
HDPEPE-HDAlathonHostalenMarlex
Manufacturers
5
Grades
4
Applications
5
Equivalents
2
Physical Properties
- Density
- 0.95 g/cm³
- Water Absorption (24h)
- < 0.01 %
- Transparency
- Translucent to opaque
- Shrinkage
- 1.5 – 3.0 %
Mechanical Properties
- Young's Modulus
- 1.1 GPa
- Tensile Strength
- 25 – 35 MPa
- Impact Strength
- No break
- Elongation at Break
- 500 – 1000 %
Thermal Properties
- Melting Point
- 130 °C
- Continuous Service Temperature
- 80 °C
- Heat Deflection Temperature
- 75 °C
Electrical Properties
- Dielectric Constant
- 2.3
- Volume Resistivity
- 10¹⁶ Ω·cm
Chemical Resistance
- Acids
- Excellent
- Bases
- Excellent
- Alcohols
- Excellent
- Oils
- Good
- UV Resistance
- Poor unless stabilized
Sustainability
- Recyclability
- Widely recycled
- Recycling Code
- 2
- Bio-based Content
- 0 – 100 %
- Carbon Footprint
- ~1.9 kg CO₂e / kg
Manufacturing compatibility
Blow MoldingInjection MoldingExtrusionRotomoldingWelding
Applications
Milk & detergent bottles
Gas & water pipes
Chemical tanks
Cutting boards
Playground equipment
Available grades
HDPE Blow MoldingHDPE InjectionHDPE Pipe (PE100)HDPE Film