Stain Resistance
Plastic materials that resist staining and discoloration
Stain resistant plastic materials are used in food processing, pharmaceutical manufacturing, machinery, and washdown applications where parts may be exposed to colorants, cleaning chemicals, process fluids, or repeated cleaning. PET and PEEK may be considered where resistance to staining, discoloration, chemical exposure, dimensional change, or wear is important.
Staining behavior depends on the material, staining agent, concentration, exposure time, temperature, surface finish, and cleaning process. PET is often specified for tight-tolerance food processing machinery applications, while PEEK may be considered for applications that require chemical resistance and higher temperature performance.
Use this page to compare plastic materials for stain resistance, then review the chemical resistance chart, plastic properties table, ask a plastics expert, or get a quote to discuss material availability, sizing, documentation, or fabrication needs.
Curbell Plastics can help you:
- Compare plastic materials that resist staining, discoloration, chemical exposure, dimensional change, and wear.
- Evaluate material options for food processing, pharmaceutical manufacturing, machinery, washdown, and industrial applications.
- Review staining agents, chemical concentration, exposure time, temperature, surface finish, cleaning process, and fabrication requirements before selecting a material.
PBT
Strong, stiff plastic, excellent machining characteristics, bearing and wear, and chemical resistance.
PCTFE
Fluoropolymer with outstanding dimensional stability, mechanical properties, and temperature range.
PEEK
Strong, stiff plastic with outstanding chemical resistance; performs over a wide range of temperatures.
PET
A strong, dimensionally stable plastic with outstanding chemical resistance and wear properties.
PFA
Flexible fluoropolymer that performs well in extreme temperature and harsh chemical environments.
PBT
Strong, stiff plastic, excellent machining characteristics, bearing and wear, and chemical resistance.
PCTFE
Fluoropolymer with outstanding dimensional stability, mechanical properties, and temperature range.
PEEK
Strong, stiff plastic with outstanding chemical resistance; performs over a wide range of temperatures.
PET
A strong, dimensionally stable plastic with outstanding chemical resistance and wear properties.
PFA
Flexible fluoropolymer that performs well in extreme temperature and harsh chemical environments.
Not sure which materials best fit your needs?
Our experienced sales and technical teams are available to assist you with material selection challenges.