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Home / Materials Selection / Properties of Engineering Plastics

Chemical Resistance

 

Material Chemical Resistance Rating Comments
PTFE (Virgin)
Excellent
Best chemical resistance of engineering thermoplastics, except some high performance materials.
High Perform. Mats
Excellent
See HPM data page for details across the HPM range
UHMWPE
Excellent
Have limited success in hot water and with chlorinated solvents
HMWPE
Excellent
Have limited success in hot water and with chlorinated solvents
HDPE
Excellent
Have limited success in hot water and with chlorinated solvents
PVC
Excellent
Not resistant to aromatic hydrocarbons
PETP
Good
Resistant to most organic solvents, fats & oils but is attacked by strong acids
Nylon 66SA
Good
Resistant to dilute acids and a majority of common solvents
Acetal (C)
Good
Resistant to solvents and lubricants but is attacked by strong acids. Copolymer has higher resistance to chemicals than homopolymer.
Polyurethane
Good
Not resistant to hydrocarbons
Bakelite
Good
Not resistant to strong acids
Polypropylene
Good
Cannot be used with copper nitrates, cobalt and their alloys
Acrylic
Good
Cannot be used with solvents

Polycarbonate

Poor

 

Materials have been colour-coded based on their maximum continuous operation temperature in °C in air. Coding is as follows:

 

260 250 130 121 110 110 95 90 90 85 80 80 60 50

 

For more details see Min/Max Operating Temperature.

 

For a detailed specification sheets on plastic materials, or more specific information on materials and their properties please contact us.



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