Plastic Density Calculator
HDPE vs LDPE Comparison
HDPE vs LDPE Comparison
Complete density and properties comparison for high and low-density polyethylene
Polyethylene Density Calculator
Results
Weight:
95.0 g
Density:
0.95 g/cm³
Floats in Water:
Yes
HDPE vs LDPE Detailed Comparison
| Property | HDPE | LDPE |
|---|---|---|
| Density | 0.94-0.97 g/cm³ | 0.91-0.93 g/cm³ |
| Melting Point | 125-135°C | 105-115°C |
| Tensile Strength | 22-31 MPa | 8-25 MPa |
| Flexibility | Rigid | Very Flexible |
| Chemical Resistance | Excellent | Good |
| Temperature Range | -50°C to 80°C | -40°C to 70°C |
Applications & Use Cases
HDPE Applications
-
Bottles & Containers: Milk jugs, detergent bottles
-
Pipes & Fittings: Water pipes, gas pipes
-
Automotive: Fuel tanks, bumpers
-
Industrial: Chemical tanks, cutting boards
LDPE Applications
-
Films & Bags: Shopping bags, food wrap
-
Packaging: Flexible packaging, squeeze bottles
-
Agricultural: Greenhouse films, irrigation tubing
-
Consumer: Toys, container lids
Key Selection Factors:
Choose HDPE for rigid applications requiring strength and chemical resistance. Choose LDPE for flexible applications requiring impact resistance and transparency.