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High-Density Polyethylene (HDPE)
High-Density Polyethylene (HDPE)
A robust thermoplastic polymer known for its high strength-to-density ratio and excellent chemical resistance

Key Properties
Physical Properties
- Density: 0.941-0.965 g/cm³
- Melting Point: 130-135°C
- Tensile Strength: 20-40 MPa
- Elongation at Break: 100-400%
Chemical Properties
- Chemical Resistance: Excellent
- Water Absorption: Very Low
- Solvent Resistance: Good
- Oxidation Resistance: Moderate
HDPE Variants
Film Grade HDPE
Processing Methods: Film extrusion,Injection.
Properties: High tensile strength, good moisture barrier, lightweight.
Applications: Carry bags, industrial liners, food packaging films.
Recycled HDPE
Processing Methods: Extrusion blow molding, injection blow molding.
Properties: High stiffness, stress crack resistance, durability.
Applications: Bottles , jerry cans, drums up to 200L.
HDPE Copolymer
Processing Methods: Injection molding,Extrusion.
Properties: High rigidity,High Stiffness excellent processability.
Applications: Caps & closures, crates, pallets, household products, toys
Pipe Grade HDPE
Processing Methods: Extrusion.
Properties: Excellent ESCR , UV & weather resistance.
Applications: Water supply pipes, gas distribution, sewage pipes, industrial piping.
HDPE Variants Synopsis
| Grade / Type | Processing Methods | Key Properties | Typical Applications |
|---|---|---|---|
| Film Grade HDPE | Film extrusion, Injection | High tensile strength, good moisture barrier, lightweight | Carry bags, industrial liners, food packaging films |
| Recycled HDPE | Extrusion blow molding, injection blow molding | High stiffness, stress crack resistance, durability | Bottles, jerry cans, drums up to 200L |
| HDPE Copolymer | Injection molding, Extrusion | High rigidity, excellent processability | Caps & closures, crates, pallets, household products, toys |
| Pipe Grade HDPE | Extrusion | Excellent ESCR (Environmental Stress Crack Resistance), UV & weather resistance | Water supply pipes, gas distribution, sewage pipes, industrial piping |
