PE (Polyethylene) Material Properties
Mechanical Properties
- Good impact strength
- Excellent flexibility
- Good abrasion resistance
- Low coefficient of friction
- Good stress crack resistance
- Variable density options
PE (Polyethylene) Thermal Properties
- HDPE heat deflection: 75-80°C
- LDPE heat deflection: 45-50°C
- Good low-temperature performance
- Wide service temperature range
PE (Polyethylene) Processing Properties
- Excellent processability
- Low processing temperature
- Good flow characteristics
- Easy to color
- Weldable
- Moderate shrinkage
PE (Polyethylene) Parts Manufacturing Processes
Injection Molding
ExcellentAdvantages
- High production rates
- Good flow properties
- Cost-effective
- Wide processing window
Key Parameters
melt temperature: 190-280°C
mold temperature: 20-60°C
injection pressure: 30-100 MPa
CNC Machining
GoodAdvantages
- Easy to machine
- Good surface finish
- Low tool wear
- Cost-effective
Key Parameters
cutting speed: 200-400 m/min
feed rate: 0.1-0.3 mm/rev
tool type: Standard tools
3D Printing
ModerateAdvantages
- Low cost
- Easy to print
- Good layer adhesion
- Low warpage
Key Parameters
nozzle temperature: 220-250°C
bed temperature: 60-80°C
layer height: 0.1-0.3mm
PE (Polyethylene) Technical Specifications
density hdpe
0.941-0.965 g/cm³
density ldpe
0.910-0.925 g/cm³
water absorption
<0.01%
tensile strength hdpe
20-35 MPa
tensile strength ldpe
8-23 MPa
impact strength
No break to 50 J/m
melting point hdpe
130-137°C
melting point ldpe
105-115°C
Processing Guidelines
molding temperature hdpe
190-280°C
molding temperature ldpe
160-240°C
mold temperature
20-60°C
drying conditions
Not typically required
injection pressure
30-100 MPa
recommended thickness
0.5-5.0 mm
PE (Polyethylene) Parts Industry Applications
Packaging
- Bottles and containers
- Food packaging
- Industrial containers
- Protective packaging
Industrial
- Chemical storage tanks
- Pipe systems
- Wire and cable insulation
- Industrial containers
Consumer Products
- Household containers
- Toys
- Garden furniture
- Sports equipment