441147
Polystyrene
average Mw ~350,000, average Mn ~170,000
Synonym(s):
PS
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About This Item
Linear Formula:
[CH2CH(C6H5)]n
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
form
pellets
Quality Level
melt index
2.0-4.0 g/10 min (200°C/5kg)
mol wt
average Mn ~170,000
average Mw ~350,000
impact strength
21 J/m (Izod, ASTM D 256, 23 °C, notched)
impurities
≤5% mineral oil
transition temp
Tg 95 °C
density
1.04 g/mL at 25 °C
elongation
ASTM D 638 - 1.5% (at break)
SMILES string
c1(ccccc1)C=C
InChI
1S/C8H8/c1-2-8-6-4-3-5-7-8/h2-7H,1H2
InChI key
PPBRXRYQALVLMV-UHFFFAOYSA-N
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Related Categories
Application
Extrusion molded foamed packaging, dinnerware, bottles and toys. Injection molded packaging containers, toys and disposable cutlery.
Features and Benefits
Hard, clear moderately strong polymer, biologically inert, good dimensional stability. Susceptible to exterior (UV) degradation.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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