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Material Properties Chemical Resistance Max.Temp.
PEI High strength, dimensional Widely resistant to a broad 340 °F
Polyetherimide stability and creep resistance. range of acids, alkalis, salts,
Excellent chemical resistance, halogens, alcohols and
good resistance to hydrolysis chlorinated hydrocarbons.
and radiation, self- Can be attacked by partially
extinguishing. halogenated solvents, strong
bases and aromatic
hydrocarbons.

PES High strength, rigidity and Widely resistant to most 390 °F
Polyethersulfone hardness over a wide temp. acids, alkalis, salts, halogens,
range, withstanding prolonged alcohols and chlorinated
exposure to elevated temp. Good hydrocarbons. Not resistant
electrical properties and to polar solvents.
chemical resistance.
PET Hard, rigid and tough, with good Good resistance to oil, 212 °F
Polyethylene- abrasion resistance and low greases, fuels, non-polar and
terephthalate coefficient of friction, weak polar solvents. Not
dimensionally stable, good resistant against hot water,
electrical and weatherability concentrated acids, caustic
properties. solutions and common polar
solvents.
PMMA Strong, stable, weather Generally good with many 203 °F
Po l y m e t h y l resistant and thermo-formable, chemicals, but not resistant
Methacrylate high levels of hardness and to alcohols, benzene,
(Acrylic) scratch resistance. Suitable for acetone, strong acids,
a wide temp. range and extended solvents and chlorinated
exposure to UV light without hydrocarbons.
discoloring or deteriorating.
Polyethylene Tough, excellent chemical Good resistance to acids and 150 °F
resistance and lightweight, very caustic substances.
low moisture absorption, Resistant to organic and
excellent flexibility and good inorganic solvents at a wide
strength in cold temperatures. range of environments. Not
resistant to strong oxidizing
acids.
Polypropylene Has excellent chemical Very good resistance to 212 °F
resistance, high heat resistance chemicals and solvents.
and good mechanical strength. Good with aqueous, salts,
Lightweight, good insulating acids or alkaline solutions.
properties, excellent dielectric Can be attacked by
strength but poor UV resistance halogens, some acids and
and low impact strength at oxidizing agents, and by
freezing temperatures. aromatic and chlorinated
hydrocarbons at high
temperatures.
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