|
gptkbp:instanceOf
|
polymer
|
|
gptkbp:alsoKnownAs
|
Polyethylene
|
|
gptkbp:biodegradable
|
No
|
|
gptkbp:CASNumber
|
9002-88-4
|
|
gptkbp:chemicalFormula
|
(C2H4)n
|
|
gptkbp:color
|
Translucent
|
|
gptkbp:degradedBy
|
UV light exposure
|
|
gptkbp:densityType
|
gptkb:High-density_polyethylene_(HDPE)
gptkb:Low-density_polyethylene_(LDPE)
|
|
gptkbp:discoveredBy
|
gptkb:Hans_von_Pechmann
|
|
gptkbp:discoveredIn
|
1898
|
|
gptkbp:electricalInsulator
|
Yes
|
|
gptkbp:environmentalImpact
|
Non-biodegradable
|
|
gptkbp:flammability
|
Flammable
|
|
gptkbp:flexibility
|
High (LDPE)
|
|
gptkbp:globalProduction
|
Over 100 million tonnes per year
|
|
gptkbp:hardness
|
Varies by type
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Polythene
|
|
gptkbp:impactResistance
|
High
|
|
gptkbp:industry
|
Construction
Medical devices
Automotive
Consumer goods
|
|
gptkbp:mainMonomer
|
Ethylene
|
|
gptkbp:majorCity
|
gptkb:China
gptkb:Saudi_Arabia
gptkb:United_States
|
|
gptkbp:meltingPoint
|
~115°C (LDPE)
~135°C (HDPE)
|
|
gptkbp:origin
|
Synthetic
|
|
gptkbp:permeableTo
|
High gas permeability
Low water vapor permeability
|
|
gptkbp:producedBy
|
Polymerization of ethylene
|
|
gptkbp:productionMethod
|
gptkb:Ziegler–Natta_polymerization
Free-radical polymerization
|
|
gptkbp:recyclingCode
|
2 (HDPE)
4 (LDPE)
|
|
gptkbp:reusable
|
Yes
|
|
gptkbp:rigidity
|
High (HDPE)
|
|
gptkbp:solubility
|
Insoluble in water
|
|
gptkbp:structure
|
Long chains of ethylene monomers
|
|
gptkbp:tensileStrength
|
Varies by type
|
|
gptkbp:toxicity
|
Generally considered non-toxic
|
|
gptkbp:type
|
gptkb:plastic
|
|
gptkbp:usedFor
|
gptkb:Pipes
Toys
packaging
Bottles
Plastic bags
|
|
gptkbp:bfsParent
|
gptkb:plastic
|
|
gptkbp:bfsLayer
|
4
|