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Ozone compatible materials
Close-up of cracks in nitrile-butadiene rubber made using an electron microscope.
Some of them are widely known and evaluated according to users' perceptions. All tests were carried out using very high ozone levels.
Please contact us for information on materials not described in the table. It is possible that we have information on the subject you are interested in or carry out research for you.
Our rating system
Rating | Description | |
AND | excellent | Ozo does not affect these materials. They will be long-lived. |
B | Okay | Ozone has little effect on these materials. Long use in places with high ozone concentration will result in damage or corrosion causing the uselessness of plastics. |
C | sufficient | Ozone will damage these materials within a few weeks. Long use in places with any ozone concentration will result in damage or corrosion causing the uselessness of plastics. |
D | weak | Ozone will damage these materials within a few days or even a few hours. It is not recommended to use these materials in places with any ozone concentration. |
Cracks image obtained by means of an electron microscope showing cracks in the diaphragm made of nitrile butadiene rubber under the influence of ozone. Please note that there are cracks in the pointed parts of the cover.
Ozone causing cracks in natural rubber.
MATERIAL RESISTANCE TO OZONE
Material | Rating |
ABS plastic | B - Okay |
Acetale (Delrin®) | C - Fair |
Acrylic (Perspex®) | B - Okay |
Aluminum | C - Fair - Wet Ozone, B - Good - Dry Ozone |
Brass | B - Okay |
Brown | B - Okay |
nitrile | D - Poor |
Butyl | A - Excellent |
cast iron | C - Fair |
Chemraz | A - Excellent |
Copper | B - Okay |
CPVC | A - Perfect - becomes fragile |
Reticulated polyethylene (PEX) | A - Excellent |
Durachlor-51 | A - Excellent |
EPDM | B - Good - Dry Ozone C - Fair - Wet Ozone |
EPR | A - Excellent |
Ethylene-Propylene | A - Excellent |
Fiber reinforced plastic (FRD) | D - Poor |
Flexalen | B - Okay |
fluorosilicone | A - Excellent |
Galvanized steel | C - Fair |
Glass | A - Excellent |
Hastelloy-C | A - Excellent |
HDPE | A - Excellent |
Hypalon | C - Fair |
Hytrel® | C - Fair |
Inconel | A - Excellent |
Kalrez | A - Excellent |
Kel-F® (PCTFE) | A - Excellent |
LDPE | B - Okay |
Magnesium | D - Poor |
Monel | C - Fair |
Natural rubber | D - Very Poor |
neoprene | C - Fair |
Nylon | D - Very Poor |
PEEK | A - Excellent A - Excellent |
polyacrylate | B - Okay |
Polyamide (PA) | C - Fair |
polycarbonates | A - Excellent |
Polyethylene | B - Okay |
polypropylene | C - Fair |
Polypropylene (doped with glass) [GFPP] | C - Fair |
polysulphides | B - Okay |
Polyurethane, Millable | A - Excellent |
PVC | A - Perfect - Ozone in water - becomes brittle B - Good - Ozone in air - becomes brittle |
PVDF (Kynar®) | A - Excellent |
santoprene | A - Excellent |
Silicone, Silicon | A - Excellent |
Stainless steel - 304/316 | A - Excellent |
Stainless steel - others | B - Okay |
Steel (soft) | D - Very Poor |
PTFE | A - Excellent |
Titanium | A - Excellent |
Tygon | B - Okay |
VAMAC | A - Excellent |
Viton | A - Excellent |
Zinc | D - Poor |