High impact polystyrene
From Plastics Wiki, free encyclopedia
High impact polystyrene A copolymer of styrene and butadiene known for its good dimensional stability, impact strength, rigidity, and especially for its ease of processing. Amorphous material.
Physical properties
- Tensile Strength 2.20 - 2.70 N/mm²
- Notched Impact Strength 10.0 - 20.0 Kj/m²
- Thermal Coefficient of expansion 80 x 10-6
- Max Cont Use Temp 60 - 80 oC
- Density 1.03 - 1.06 g/cm
Resistance to chemicals
- Dilute Acid **
- Dilute Alkalis ****
- Oils and Greases **
- Aliphatic Hydrocarbons ****
- Aromatic Hydrocarbons *
- Halogenated Hydrocarbons *
- Alcohols * variable
See also
Polyethylenes: Polyethylene (PE), Low density polyethylene (LDPE), High density polyethylene (HDPE), Linear low density polyethylene (LLDPE), Crosslinked polyethylene (XLPE), Ultra High Molecular Weight Polyethylene (UHMWPE)
Other Polyolefins: Polypropylene (PP), Biaxially-oriented polypropylene, Polybutylene (PB), Polyisobutene (PIB)
Polyacrylates: Polymethyl methacrylate (PMMA), polymethyl acrylate (PMA), hydroxyethyl methacrylate (HEMA), Sodium polyacrylate
Polystyrenes: Polystyrene (PS), High impact polystyrene (HIPS), Extruded polystyrene (XPS), Expanded Polystyrene
Polyesters: Polyethylene terephthalate (PET)
Polysulfones: Polysulfone (PSU), Polyarylsulfone (PAS), Polyethersulfone PES, Polyphenylsulfone (PPS)
Polyamides: Polyamide (PA), polyphthalamide (PPA), Bismaleimide (BMI), urea formaldehyde (UF)
Polyurethanes: Polyurethane (PU), Polyisocyanurate (PIR)
Chloropolymers: Polyvinyl chloride (PVC), Polyvinylidene dichloride (PVDC)
(Chloro)fluoropolymers: Fluoropolymer (FE), Polytetrafluoroethylene (PTFE), Polyvinylidene difluoride (PVDF), Polychlorotrifluoroethlyene (PCTFE), Ethylene chlorotrifluoroethlyene (ECTFE)
Other Homopolymers: Polycarbonate (PC), Polylactic acid (PLA), Polyacrylamide (PAM), Polyetheretherketone (PEEK)
Other Copolymers: Acrylonitrile butadiene styrene (ABS), Polybutadiene acrylonitrile (PBAN)

