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.

950+ chemicals tested 20°C & 50°C data Free to use

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Excellent (A)

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Good (B)

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Limited (C)

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Not Recommended (D)

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Temperature

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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

Compare Materials

HDPE

Better cold resistance