|
|
|
|
Polyethylene (Low Density) PELD, PELLD semi-crystalline polyolefin
APPLICATIONS Squeeze bottles, toys, carrier bags, high frequency insulation, chemical tank linings, heavy duty sacks, general packaging, gas and water pipes.
PROPERTIES Semi-rigid, translucent, very tough, weatherproof, good chemical resistance, low water absorption, easily processed by most methods, low cost. Some ESC sensitivity.
|
Psysical properties: |
|
|
|
Tensile Strength |
10 - 15 |
MPa |
|
E-modulus |
600 - 1000 |
MPa |
|
Notched Impact Strength |
No break |
kJ/m² |
|
Thermal Coefficient of expansion |
100 - 220 |
x 10-6 |
|
Max Cont Use Temp |
50 |
0C |
|
VicatB Temp |
65 |
0C |
|
Density |
0.917 - 0.930 |
g/cm³ |
|
Resistance to chemicals: |
|
|
Dilute Acid |
Very good |
|
Dilute Alkalis |
Very good |
|
Oils and Greases |
Moderate (Variable) |
|
Aliphatic Hydrocarbons |
Poor |
|
Aromatic Hydrocarbons |
Poor |
|
Halogenerated Hydrocarbons |
Poor |
|
Alcohols |
Very good |
 |
|
|
|
|
|
|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
| |