expanded polystyrene (EPS)

URI: https://gptkb.org/entity/expanded_polystyrene_(EPS)
GPTKB entity
Statements (49)
Predicate Object
gptkbp:instanceOf polymer
thermoplastic material
plastic foam
gptkbp:alternativeName gptkb:Styrofoam
EPS foam
gptkbp:bannedIn European Union (for some uses)
some US cities
gptkbp:chemicalFormula (C8H8)n
gptkbp:color white
gptkbp:component styrene monomer
gptkbp:degradedBy heat
UV light
gptkbp:density 10–50 kg/m³
gptkbp:discoveredIn 1950s
gptkbp:environmentalImpact marine pollution
non-biodegradable
gptkbp:flammability flammable
https://www.w3.org/2000/01/rdf-schema#label expanded polystyrene (EPS)
gptkbp:insulation acoustic
thermal
gptkbp:isSolubleIn organic solvents
gptkbp:mainProducer gptkb:Dow_Chemical_Company
gptkb:BASF
gptkbp:market global
gptkbp:material gptkb:polystyrene
gptkbp:meltingPoint ~240°C
gptkbp:notableBrand gptkb:Styrofoam_(Dow_Chemical)
gptkbp:producedBy expanding polystyrene beads
gptkbp:recyclingCode 6
gptkbp:reusable yes
gptkbp:riskFactor environmental persistence
choking hazard
toxic fumes when burned
gptkbp:shape beads
blocks
sheets
rigid foam
gptkbp:softeningPoint ~90°C
gptkbp:structure closed-cell
gptkbp:thermalConductivity 0.032–0.038 W/(m·K)
gptkbp:usedFor gptkb:crafts
insulation
packaging
building materials
disposable food containers
gptkbp:waterAbsorption low
gptkbp:市值 millions of tons per year
gptkbp:bfsParent gptkb:polystyrene
gptkbp:bfsLayer 6