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Material Theoretical rating (Cole Parmer)
[Ozone Concentrations not specified]
Practical rating (by Ozone Services)
[Ozone Concentrations up to 100mg/l]
304 stainless steel B - Good C
316 stainless steel A - Excellent B
ABS plastic B - Good D
Acetal (Delrin®) C - Fair C
Aluminum B - Good C
Brass N/A C
Bronze B - Good C
Buna N (Nitrile) D - Severe Effect DD
Carbon graphite N/A
Carpenter 20 N/A
Cast iron N/A
Ceramic Al203 N/A
Ceramic magnet N/A
Copper A - Excellent C
CPVC A - Excellent B
EPDM A - Excellent B
Epoxy N/A
Hastelloy-C® N/A
Hypalon® A - Excellent C
Hytrel® C - Fair C
Kel-F® A - Excellent ?
LDPE C1 - Fair B
Natural rubber D - Severe Effect DD
Neoprene C - Fair B
Nylon D - Severe Effect D
Polycarbonate A1 - Excellent B
Polypropylene B - Good C
PPS (Ryton®) N/A
PTFE (Teflon®) A - Excellent AA
PVC B - Good D
PVDF (Kynar®) A - Excellent AA
Silicone A - Excellent A
Titanium N/A
Tygon® N/A
Viton® A - Excellent A

Ratings -- Chemical Effect
  1. Excellent.
  2. Good -- Minor Effect, slight corrosion or discoloration.
  3. Fair -- Moderate Effect, not recommended for continuous use. Softening, loss of strength, swelling may occur.
  4. Sever Effect, not recommended for ANY use.

    N/A = Information Not Available.

Explanation of Footnotes
  1. Satisfactory to 72°F (22° C)

  2. Satisfactory to 120°F (48° C)

  3. Satisfactory for )-rings
Variations in chemical behavior during handling due to factors such as temperature, pressure, and concentration can cause equipment to fail, even though it passed an initial test.


Use suitable guards and/or personal protection when handling chemicals

The information in this chart has been supplied to Cole-Parmer by other reputable sources and is to be used ONLY as a guide in selecting equipment for appropriate chemical compatibility. Before permanent installation, test the equipment with the chemicals and under the specific conditions of your application.

Ratings of chemical behavior listed in this chart apply to a 48-hr exposure period; Cole-Parmer has no knowledge of possible effects beyond this period. Cole-Parmer does not warrant (neither express or implied) that the information in this chart is accurate or complete or that any material is suitable for any purpose.

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