TAR OIL Resistant O-Rings and Seals
Tar oil, also known as coal tar oil or crude coal tar, is a by-product of coal processing and is composed of phenolic compounds and polycyclic aromatic hydrocarbons. It is used in the production of paints, varnishes, and adhesives, as well as in the construction, rubber, and asphalt industries.
When rubber is exposed to tar oil, the oil can weaken and break down the rubber over time. The oil can soften the rubber and cause it to become brittle and easily crack, leading to eventual failure of the rubber material. The oil can also cause the rubber to swell, which can cause cracking due to the increased pressure. Additionally, tar oil can cause discoloration of the rubber, leading to an unappealing finish.
FFKM Perfluoroelastomer
Markez ® high performance perfluoroelastomer O-Rings (FFKM) offer unmatched value for demanding sealing applications. Produced from nearly identical ingredients as higher priced brands, Markez ® compounds are used for high temperature o-rings and high pressure o-rings and chemical resistant o-rings that deliver similar performance to major FFKM brands, with temperature resistance up to 625oF, at a significantly lower cost. Our proprietary processing allow us to supply seals under an inch in size more efficiently. Introduced exclusively to existing customers over 15 years ago, we now have the experience and capacity to offer Markez ® high temperature o-rings and high pressure o-rings to the world.
Z1352 FFKM
- Resistant to steam
- Resistant to hot amines
- Resistant to common fuels
- Resistant to strong acids
Z1028 FFKM
- Resistant to steam
- Resistant to strong acids
Z1204 FFKM
- Compliant to FDA specification 21 CFR 177.2600 for use in food and beverage contact applications
- Tested and certified to USP Class VI specification for use in medical applications
- Resistant to steam
Rubber Material Compatibility with TAR OIL
View some of our other material compatibility ratings with TAR OIL. If you don't see what you're looking for or need more guidance, our team of experienced sealing design engineers can help select the best sealing products and material for your specific application.
View Full Chemical Compatibility Guide
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