HDPE Polyethylene (PE300)
Key Features:
- Excellent impact strength
- Lightweight & strong
- Good wear resistance
- FDA Approved
- Good at low temperatures
- Low moisture absorption
- Low coefficient of friction
- Easy to fabricate and weld
Temperature rating : up to 75°C, 90°C short term
Applications:
Chutes, silos, tanks and hoppers.
Availability:
| Colour: |
natural or black. |
| Sheet Size (mm): |
2000x1000, 3000x1220, 4000x1000mm. |
| Sheet Thickness (mm): |
1 to 30. |
| Rod Dia (mm): |
8 to 500 |
Cut pieces and other sizes available upon request.
Technical Information:
Information to be used as a guide only. It corresponds with our current knowledge and indicates possible applications. We cannot guarantee suitability for a specific application. Unless otherwise stated these values represent averages taken from injection moulded samples.
| Properties |
Unit |
Test method DIN/ASTM |
|
| Mechanical |
|
|
|
| Density |
g/cm3 |
53 479 |
0.95-0.96 |
| Tensile Strength at yield |
MPa |
53 455 |
24-31 |
| Tensile Strength at break |
MPa |
53 455 |
36 |
| Elongation at break |
% |
53 455 |
400-800 |
| Modulus of elasticity in tension |
MPa |
53 457 |
1000-1400 |
| Modulus of elasticity in flexure |
MPa |
53 457 |
1000-1400 |
| Ball indention hardness |
MPa |
53 456 |
45-60 |
| Impact Strength (Charpy) |
kJ/m2 |
53 453 |
no br. |
| Creep rupture strength after 1000 hrs with static load |
MPa |
|
12.5 |
| Time yield limit for 1% elongation after 1000 hrs. |
MPa |
|
3 |
Coefficient of friction against hardened and ground steel
p=0,05 N/mm2, v=0,6 m/s |
- |
|
0.29 |
| Wear conditions as above |
µm/km |
|
|
| Thermal |
|
|
|
| Crystalline melting point |
ºC |
53 736 |
128-133 |
| Glass transition temperature |
ºC |
53 736 |
-95 |
Heat distortion temperature
Method A
Method B |
ºC
ºC |
ISO 75
ISO75 |
42-49
70-85 |
Max. service temperature
Short term
Long term |
ºC
ºC |
|
120
90 |
| Coefficient of thermal conductivity |
W/(m.K) |
|
0.35-0.43 |
| Specific heat |
J/(g.K) |
|
1.7-2 |
| Coefficient of thermal expansion |
10-5/K |
|
13-15 |
| Electrical |
|
|
|
| Dielectric constant at 105 Hz |
|
53 483 |
2.4 |
| Dielectric loss factor at 105 Hz |
|
53 483 |
0.0002 |
| Specific volume resistance |
Ω . cm |
53 482 |
>1016 |
| Surface resistance |
Ω |
53 482 |
>1014 |
| Dielectric strength 1 mm |
kV/mm |
53 481 |
>50 |
| Tracking resistance |
|
53 480 |
KA 3c |
| Miscellaneous |
|
|
|
Moisture absorption: Equilibrium in standard atmosphere
(23ºC/50% relative humidity) |
% |
53 714 |
|
| Water absorption at saturation at 23ºC |
% |
53 495 |
0.02 |
| Resistance to hot water, washing soda |
|
|
resistant |
| Flammability |
|
UL 94 |
HB |
| Resistance to weathering |
|
|
Natural: not resistant
Black: resistant |
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