Low-density polyethylene (LDPE)

URI: https://gptkb.org/entity/Low-density_polyethylene_(LDPE)
GPTKB entity
Statements (49)
Predicate Object
gptkbp:instanceOf gptkb:plastic
polymer
gptkbp:alternativeName gptkb:LDPE
PE-LD
gptkbp:biodegradable non-biodegradable
gptkbp:chemicalFormula (C2H4)n
gptkbp:chemicalResistance high
gptkbp:clarity translucent
gptkbp:color colorless
gptkbp:degradedBy heat
UV light
gptkbp:density 0.910–0.940 g/cm³
gptkbp:discoveredBy gptkb:Imperial_Chemical_Industries
gptkbp:discoveredIn 1933
gptkbp:electricalInsulation good
gptkbp:environmentalImpact plastic pollution
gptkbp:flammability flammable
gptkbp:flexibility high
https://www.w3.org/2000/01/rdf-schema#label Low-density polyethylene (LDPE)
gptkbp:impactResistance high
gptkbp:market about 20% of total polyethylene market
gptkbp:meltingPoint 105–115 °C
gptkbp:notableFor soft texture
high impact resistance
low tensile strength
high ductility
low crystallinity
resistant to acids and bases
waxy feel
gptkbp:primaryUse gptkb:research_institute
toys
containers
tubing
plastic bags
plastic films
coatings for wires and cables
dispensing bottles
wash bottles
gptkbp:productionMethod free-radical polymerization
gptkbp:recyclingCode 4
gptkbp:softeningPoint 90–95 °C
gptkbp:solubility insoluble in water
soluble in hydrocarbons
gptkbp:structure highly branched polymer
gptkbp:tensileStrength 8–12 MPa
gptkbp:UVResistance poor
gptkbp:waterAbsorption very low
gptkbp:bfsParent gptkb:Polythene
gptkbp:bfsLayer 5