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PP Chemical Resistance Chart

Polypropylene (PP) offers excellent chemical resistance with higher temperature tolerance than HDPE. It's widely used for tanks, pipes, and laboratory equipment where heat resistance matters.

900+ chemicals tested 20°C & 50°C data Free to use
Excellent (A)
Good (B)
Limited (C)
Not Recommended (D)
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Chemical Concentration 20°C 50°C CAS

PP Properties

Full Name Polypropylene
Max Temperature 100°C (212°F) continuous
Min Temperature 0°C (32°F)
Density 0.90–0.91 g/cm³
UV Resistance Poor (needs stabilizers)
FDA Approved Yes (food grades)
Weldable Yes
Cost Low (economical)

Common Applications

Tanks & Vessels

Chemical storage tanks, process vessels, scrubbers

Laboratory Equipment

Beakers, trays, fume hoods, lab furniture

Piping Systems

Hot water pipes, chemical transfer, drainage

⚠️ Not Recommended For

PP has poor resistance to these chemical types:

  • Aromatic hydrocarbons (benzene, toluene)
  • Chlorinated solvents
  • Strong oxidizing acids (fuming nitric)
  • Concentrated halogens
  • Cold temperatures below 0°C (becomes brittle)
  • UV exposure without stabilizers

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