High-density polyethylene (HDPE)
GPTKB entity
Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Polyethylene
Thermoplastic polymer |
| gptkbp:abbreviation |
HDPE
|
| gptkbp:biodegradable |
No
|
| gptkbp:catalystUsed |
gptkb:Ziegler-Natta_catalyst
Phillips catalyst |
| gptkbp:chemicalFormula |
(C2H4)n
|
| gptkbp:color |
white
translucent |
| gptkbp:crystallinity |
high
|
| gptkbp:density |
0.93 to 0.97 g/cm³
|
| gptkbp:discoveredBy |
gptkb:Karl_Ziegler
|
| gptkbp:discoveredIn |
1953
|
| gptkbp:flammability |
combustible
|
| gptkbp:flexuralModulus |
0.8 GPa
|
| gptkbp:globalProduction |
tens of millions of tons per year
|
| https://www.w3.org/2000/01/rdf-schema#label |
High-density polyethylene (HDPE)
|
| gptkbp:market |
one of the most widely used plastics
|
| gptkbp:meltingPoint |
130°C to 137°C
|
| gptkbp:notableFor |
low cost
non-toxic recyclable low water absorption food safe good electrical insulation high strength-to-density ratio |
| gptkbp:polymerizationType |
addition polymerization
|
| gptkbp:producedBy |
polymerization of ethylene
|
| gptkbp:recyclingCode |
2
|
| gptkbp:relatedTo |
gptkb:Low-density_polyethylene_(LDPE)
Linear low-density polyethylene (LLDPE) |
| gptkbp:resistantTo |
chemicals
moisture impact UV radiation (with additives) |
| gptkbp:riskFactor |
can release toxic fumes if burned
|
| gptkbp:structure |
linear polymer
|
| gptkbp:tensileStrength |
31 to 38 MPa
|
| gptkbp:usedFor |
toys
piping water pipes plastic lumber plastic bags plastic bottles food containers geomembranes detergent bottles milk jugs |
| gptkbp:waterAbsorption |
<0.01%
|
| gptkbp:bfsParent |
gptkb:Polythene
|
| gptkbp:bfsLayer |
5
|